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★Could Your Body Be Trapped in Stress Mode for Years?

Sun, 12 Jul 2026 04:00:14 GMT

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Could Your Body Be Trapped in Stress Mode for Years?

Researchers found consistent exercise appears to retrain the system that controls cortisol, helping the body stop reacting like it’s under constant threat.

Over 25? Your Body Needs This for Continued Health

This essential nutrient is needed for providing energy to your cells and organs to support overall health; however, once you pass the age of 25, it becomes harder for your body to create enough. Ensure your supply of ubiquinol doesn’t run too low by giving our premium formula a try and getting on the right path to better health.

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Tucker Carlson Exposes Obesity Outbreak, but Could This Fix It?

Tucker Carlson is taking our health system to task - How did we get to a stage where 73.1% of us are overweight or obese (and 48% suffer from pre-diabetes) within just one generation, and why is our healthcare system ignoring this key player that could reverse the attack?

Novel Strategies to Relieve Eye Strain

Eye strain is quickly becoming a widespread problem due to the proliferation of electronic screens, which emit blue light. Learn how to manage this condition here.

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Breaking News: What You Need to Know

Up-to-date info on the latest health-related news happening in the world.

Want Greater Focus and Better Recollection? Try Our Nootropic Formula

Providing care and feeding for your brain requires special substances that can cross your blood-brain barrier. Meet Fisetin and Spermidine, our plant-based formula that can help protect your brain and nerve cells from the normal signs of aging, including damage from oxidative stress. Gain the mental edge you deserve with greater focus, more alertness, and better recall at any age, and order your supply today.

Disclaimer: The entire contents of this website are based upon the opinions of Dr. Mercola, unless otherwise noted. Individual articles are based upon the opinions of the respective author, who retains copyright as marked. The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research and experience of Dr. Mercola and his community. Dr. Mercola encourages you to make your own health care decisions based upon your research and in partnership with a qualified health care professional.

Mercola.com, 125 SW 3rd Place, Suite 205, Cape Coral, FL 33991
US Number: (877) 985-2695 | Intl Number: 1 (239) 599-9500
© 1997-2026 Dr. Joseph Mercola. All Rights Reserved.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

The Hidden Truth Behind Your Supplements

Dr. Joseph Mercola — Sun, 12 Jul 2026 03:34:07 GMT

STORY AT-A-GLANCE

The supplement industry’s shift toward venture capital and private equity ownership has been linked to quality changes, as companies face pressure to increase profit margins while scaling production
Many supplement companies are now using contract manufacturers and choosing the lowest bidder, resulting in reduced quality control and inconsistent product quality across batches
Critical testing protocols are often compromised, including raw ingredient validation, in-process testing, finished product verification, and stability testing over time — steps that are essential for supplement effectiveness
Common cost-cutting practices include using cheaper, poorly absorbed ingredients (like magnesium oxide) while marketing them as premium products, and using basic capsules that don’t properly protect sensitive ingredients like probiotics
Companies often mask declining quality by investing heavily in scientific advisory boards and marketing campaigns while simultaneously reducing manufacturing standards and testing protocols

In today’s healthcare landscape, we face a challenging reality: the traditional medical system does not always fully support our health. As pharmaceutical interests dominate conventional medicine and medical education continues to minimize the importance of nutrition, many of us have turned to supplementation as a way to take control of our own health optimization. However, this solution presents its own set of challenges.

The supplement industry, largely unregulated and often misunderstood, has become a wild west of marketing claims, questionable quality, and profit-driven decisions that frequently override health outcomes. As someone who has spent decades in this field, I’ve watched with growing concern as venture capital and private equity interests have in many cases led to significant quality degradation while simultaneously mastering the art of marketing mediocrity.

Let’s take a walk together through the reality of today’s supplement industry, pulling back the curtain on practices that many companies would prefer to keep hidden. The beautiful packaging, celebrity endorsements, and sophisticated marketing campaigns often mask a troubling truth: many supplements simply don’t deliver what they promise, either through inadequate ingredients, poor manufacturing practices, or ineffective delivery systems.

Why Many Supplements Are Expensive Waste

The degradation of quality begins at the ingredient level. Many companies prioritize profit margins over therapeutic effectiveness. They source the cheapest possible ingredients while investing heavily in marketing to convince consumers of their premium quality.

A classic example is magnesium supplements — Many companies use magnesium oxide because it’s inexpensive, despite its poor absorption — one study suggested the increase in serum magnesium after ingesting magnesium oxide is comparable to a placebo.¹ To make matters worse, certain supplement brands mislabel their products, secretly substituting oxide for the more expensive glycinate or aspartate claimed on the label.2
The issue of bioavailability often goes completely unaddressed — A supplement can contain the highest quality ingredients, but if they’re not properly formulated for absorption and delivery to the right biological systems, they can still become expensive waste. Many companies skimp on delivery systems and proper formulation research, counting on consumers not understanding the difference between presence and bioavailability.
Manufacturing quality presents another critical concern — Even when companies start with decent ingredients, poor manufacturing practices can render them ineffective or harmful.
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Temperature control, humidity levels, cross-contamination prevention, and proper testing protocols all play crucial roles in producing effective supplements. Yet these fundamental aspects of quality manufacturing often get compromised when profit becomes the primary driver.

How Venture Capital Is Eroding Supplement Standards

The entrance of venture capital into the supplement industry has contributed to these challenges. When venture capital firms invest in supplement companies, they often seek strong growth and higher profit margins within a relatively short timeframe, which can place pressure on quality control, ingredient sourcing, and manufacturing processes.

Consider how this plays out in real terms — A supplement company starts with genuine commitment to quality. They attract venture capital through their success. Suddenly, they face pressure to increase margins while rapidly scaling production.
The fastest way to achieve these goals is to cut corners — Cheaper ingredients, faster manufacturing processes, reduced testing protocols. Meanwhile, marketing budgets frequently expand dramatically to convince consumers nothing has changed.

Increasing Profit Margins May Threaten Supplement Testing Protocols

Testing protocols, perhaps the most critical aspect of supplement manufacturing, often suffer the most under profit pressure. Proper testing should occur at multiple stages: raw ingredient validation, in-process testing, finished product verification, and stability testing over time. Each of these steps costs money and takes time — exactly what venture-backed companies are pressured to reduce.

The rise of contract manufacturing has further complicated these issues — Many brands, particularly newer venture-backed companies, don’t manufacture their own products. Instead, they rely on contract manufacturers, often choosing the lowest bidder. This separation from the manufacturing process makes quality control even more challenging and often results in inconsistent product quality.
Delivery systems, crucial for supplement effectiveness, are also frequently overlooked in the rush to market — A probiotic supplement, for example, requires sophisticated encapsulation technology to survive stomach acid and reach the intestines where it can provide benefit.3 Yet many companies use basic capsules that offer no protection, essentially selling expensive placebos.
The venture capital influence has created another troubling trend — The acquisition and degradation of once-respected brands. A supplement company builds a reputation for quality over decades, attracts venture capital or corporate acquisition, and then quietly begins reducing quality while maintaining premium prices. Consumers continue trusting the brand name, unaware that the products no longer deliver the same benefits.

Quality Versus Profit

Marketing has become increasingly sophisticated at masking these issues. Companies invest heavily in scientific advisory boards, often comprised of respected researchers who have little to no input on actual product formulation. They fund small, poorly designed studies to support marketing claims while ignoring more rigorous research that might question their products’ effectiveness.

The impact on consumer health cannot be overstated — As people increasingly turn to supplements to support their health, they often spend significant money on products that provide little to no benefit. Worse, some poorly manufactured supplements may actually cause harm through contaminants or inappropriate formulations.
This situation creates a particular challenge for healthcare practitioners who recommend supplements to their patients — Many find that products they once trusted no longer provide consistent results, forcing them to constantly reevaluate their recommendations as quality standards decline.
The solution requires a fundamental shift in how we approach supplement manufacturing and company ownership — Independence from venture capital and private equity allows companies to maintain quality standards without pressure for unsustainable growth or margins. It enables investment in proper manufacturing processes, thorough testing protocols, and effective delivery systems.

This independence also allows for transparent communication about product limitations and appropriate uses. When a company doesn’t face pressure to constantly increase sales and margins, it can provide truthful information about when supplements are and aren’t appropriate, helping consumers make more informed decisions about their overall health.

The Reality of Manufacturing Excellence

Manufacturing quality in the supplement industry requires an unwavering commitment to detail and precision that few companies are willing to maintain. Every step of the production process demands intensive attention and significant resource investment.

The journey begins with exhaustive testing of raw ingredients — Each component needs to meet strict specifications before entering the manufacturing facility. This process alone can take several weeks, as proper testing requires multiple validation steps and often reveals issues that less rigorous companies might miss or ignore.
The manufacturing environment itself needs to maintain precise controls over temperature, humidity, and potential contamination sources — This requires sophisticated HVAC systems, regular environmental monitoring, and strict protocols that many companies find too expensive or time-consuming to maintain.
Cleaning and validating equipment between production runs often takes longer than the actual manufacturing process — A fact that drives some companies to cut corners in the name of efficiency.
Product testing cannot be a simple checkbox exercise — Comprehensive analysis of finished products needs to verify not just the presence of active ingredients, but also their bioavailability. This requires sophisticated analytical methods and often reveals issues that marketing-driven companies prefer to ignore.
Stability testing is also crucial — Doing this throughout the product’s shelf life ensures that potency remains consistent until the expiration date. Unfortunately, this is a practice that many companies skip entirely.
The delivery system for each ingredient also requires its own validation and testing protocols — Whether dealing with probiotics that need to survive stomach acid or herbs that require specific extraction methods, each formulation demands unique consideration and often specialized technology. This level of attention drives up costs and complexity, leading many companies to opt for simpler, less effective delivery methods.

How to Choose Supplements That Deliver on Their Promises

The human element proves equally crucial. Training and retaining qualified staff requires significant investment in both time and resources. Expert formulators, quality control specialists, and manufacturing technicians need to maintain consistent standards while adapting to new research and improving technologies. This expertise cannot be replaced by automated systems or undertrained staff following basic protocols.

These practices cost money and take time — Resources that venture-backed companies often divert to marketing and sales. Yet they’re what make the difference between supplements that actually support health and expensive placebos.
The path forward depends on both sides of the market — Educated consumers who ask better questions, and responsible companies willing to answer them. When companies disclose their manufacturing processes, testing protocols, and quality control measures, you can identify which brands maintain high standards and which ones rely on shortcuts.
Most importantly, it requires maintaining independence from financial interests that inevitably compromise quality for profit — Remember, your health optimization efforts depend not just on choosing the right supplements, but on ensuring those supplements deliver what they promise.

Understanding these manufacturing and quality issues empowers you to make better choices and support companies maintaining high standards despite market pressures to cut corners.

The future of the supplement industry depends on preserving manufacturing quality and independence from profit-driven compromise. Only by understanding and supporting these principles can we ensure continued access to truly effective supplements for health optimization.

A Personal Commitment to Quality and Truth

I’ve watched with growing concern as many once-respected supplement companies have succumbed to the pressures of venture capital and private equity investment. These patterns reflect exactly why I’ve maintained complete independence in my company’s operations and manufacturing practices.

Let me be clear about my commitment to you — I will never compromise on manufacturing quality or testing protocols to increase profits. Every supplement we produce undergoes rigorous testing at multiple stages — from raw ingredient validation through finished product analysis. We maintain complete control over our manufacturing process, partnering only with contract manufacturers who meet our exacting standards.
Many have approached me over the years offering significant investment capital, promising to help “scale the business” or “reach a broader audience” — I’ve rejected every offer because I understand the inevitable consequences. Once outside investors gain control, their demands for rapid growth and excessive margins have in many cases led to compromised quality.
Our contract manufacturers maintain standards that many would consider excessive — We regularly reject raw materials that would pass typical industry standards because they don’t meet our more rigorous requirements. These practices cost money and take time, which reduces our potential profits but ensure consistent quality.

I’m sharing these concerns with you now because I believe you deserve to understand what’s really happening in the supplement industry. The change in quality we’re witnessing isn’t accidental — it’s often the result of prioritizing profit over health outcomes. As venture capital increasingly dominates the industry, finding truly effective supplements becomes increasingly challenging.

Beyond Profits — A Mission to Protect Supplement Standards and Consumer Health

My commitment goes beyond maintaining quality in our own products. Through continued education efforts, I’m dedicated to exposing the practices that compromise supplement effectiveness. You deserve to understand why some supplements work while others don’t, why quality manufacturing matters, and how to identify companies that maintain rigorous standards.

I refuse to participate in the race to the bottom that venture capital investment has in many cases created — Our growth will continue to be organic and sustainable, funded entirely through our operations rather than outside investment. This independence allows us to maintain strict manufacturing standards and rigorous testing protocols.
When you choose supplements from my company, you’re supporting more than just quality products — You’re supporting a commitment to maintaining the highest standards in an industry increasingly dominated by profit-driven compromise. Our commitment is that we will never sacrifice quality for growth, compromise testing for profits, or allow outside investors to influence our manufacturing standards.
The supplement industry stands at a crucial crossroads — As more companies succumb to venture capital influence, maintaining truly effective supplements becomes increasingly rare. My commitment to you is unwavering: we will continue exposing these practices while maintaining the highest possible standards in our own operations. Your health deserves nothing less.

This isn’t just business — it’s a mission to protect and advance natural health solutions against the rising tide of profit-driven degradation.

Disclaimer: The claims and observations in this article represent the author’s professional experience and industry observations. The effectiveness of individual supplements vary. These statements have not been evaluated by the Food and Drug Administration (FDA) and are not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not medical advice. Always consult a qualified healthcare professional before changing your supplement regimen or health practices, especially if you have an existing medical condition.

Frequently Asked Questions (FAQs) About the Supplement Industry

Q: Why has supplement quality declined in recent years?

A: The quality of dietary supplements has declined largely due to the growing influence of venture capital and private equity in the industry. These investors prioritize rapid growth and high profit margins, which sometimes leads companies to cut corners on ingredient quality, manufacturing standards, and testing protocols in favor of cheaper, faster production.

Q: What are some common cost-cutting practices affecting supplement effectiveness?

A: Supplement companies often use inexpensive and poorly absorbed ingredients (e.g., magnesium oxide), opt for basic capsules that fail to protect sensitive compounds like probiotics, and skip essential testing steps. Marketing efforts, like scientific advisory boards and flashy packaging, are used to mask these shortcuts and present a premium image without delivering corresponding quality.

Q: How does outsourcing manufacturing affect supplement quality?

A: Many brands outsource to contract manufacturers and often select lower-cost options to save money. Without direct involvement in the production process, it can be difficult to enforce consistent quality control. As a result, supplements can vary between batches and may not always meet label claims or expected outcomes.

Q: What testing protocols are being neglected, and why does that matter?

A: Key testing stages — such as raw ingredient validation, in-process testing, finished product analysis, and stability testing over time — are sometimes skipped or underperformed to save costs. These steps are vital to ensure the presence, potency, and bioavailability of active ingredients throughout the product’s shelf life. When testing is less consistent, product quality can vary, and supplements may not always align with label claims or expected performance.

Q: How can I identify high-quality supplements?

A: Look for companies that maintain full control over their manufacturing processes, invest in thorough testing at every production stage, and remain independent of venture capital and private equity. Transparency about ingredient sourcing, delivery systems, and testing practices is a strong indicator of a trustworthy brand. Avoid supplements that rely heavily on marketing but offer little detail on manufacturing or quality standards.

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Disclaimer: The entire contents of this website are based upon the opinions of Dr. Mercola, unless otherwise noted. Individual articles are based upon the opinions of the respective author, who retains copyright as marked.

The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research and experience of Dr. Mercola and his community. Dr. Mercola encourages you to make your own health care decisions based upon your research and in partnership with a qualified health care professional. The subscription fee being requested is for access to the articles and information posted on this site, and is not being paid for any individual medical advice.

If you are pregnant, nursing, taking medication, or have a medical condition, consult your health care professional before using products based on this content.

Nutrients. 2019 Jul 20;11(7):1663

ConsumerLab, Magnesium Supplements Review

Food Sci Nutr. 2023 May 10;11(8):4547–4561

★Why Your Body May Be Aging Faster Than It Can Repair Itself

Sat, 11 Jul 2026 04:00:57 GMT

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Why Your Body May Be Aging Faster Than It Can Repair Itself

Researchers are revisiting a hidden amino acid deficit that appears to affect collagen renewal, recovery, structural strength, and long-term resilience.

Make This Absorbable Vitamin C Your Go-To Immune Supporter

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How Your Grandparents’ Diet May Be Impacting Your Health Today

If your parents or grandparents had poor nutrition or were exposed to toxic substances, you may be suffering from its ill effects today, along with your offspring. Explore how past generations, as well as what you do or eat, influence the genetic health of future generations.

4 Lifestyle Changes That Lower Bad Cholesterol Better Than Statins

Don’t rely on statins to manage your cholesterol levels - start with these healthy habits instead.

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Up-to-date info on the latest health-related news happening in the world.

Don’t Fall Into the 97% Crowd, Try Vitamin K2 Today

According to researchers, the state of your arteries - or your ‘vascular age’ - may be a much better indicator of your health and longevity than your actual age. Maintain the youthfulness and flexibility of your arteries, and support both your cardiovascular and bone health with this powerful nutrient.

Mercola.com, 125 SW 3rd Place, Suite 205, Cape Coral, FL 33991
US Number: (877) 985-2695 | Intl Number: 1 (239) 599-9500
© 1997-2026 Dr. Joseph Mercola. All Rights Reserved.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

The Supplement You Took This Morning May Have Already Failed You

Dr. Joseph Mercola — Sat, 11 Jul 2026 03:33:31 GMT

STORY AT-A-GLANCE

The label on a supplement bottle tells you what went into the capsule — not what reaches your cells. For a great many products, the gap between those two numbers is enormous, and it is invisible at the point of purchase
The scientific term for how much of a compound actually reaches your bloodstream in active form is bioavailability. Most oral supplements lose a large fraction of their dose to stomach acid, poor solubility, and rapid elimination before they ever do any good
Fat-soluble plant compounds and minerals are especially vulnerable, which is why two products with nearly identical labels can produce completely different results in the real world
Across the research, one theme repeats: improving delivery improves outcomes. The active ingredient is rarely the limiting factor — the delivery is
Understanding this single problem is the foundation of everything I am going to share over the next several articles, where I’ll also introduce a new generation of supplements engineered around delivery from the molecule outward

Here is an uncomfortable truth about the supplement industry — one I have wrestled with across decades of working in it: the label on the bottle tells you what went in; it doesn’t tell you how much of that actually reaches the cells that need it. And for an enormous number of products on the market today, the gap between those two numbers is far from insignificant.

You can swallow a perfectly manufactured capsule containing exactly the dose printed on the label and still absorb only a small fraction of what is inside. The rest is dismantled by stomach acid, never properly dissolved, locked inside a matrix your gut cannot break apart, or simply escorted out of your body before it does anything useful. This is not a defect in a particular brand. It is the default behavior of oral supplements, and it is the most overlooked problem in the entire field.

I want to walk you through why this happens, why it matters more than almost anything else on the label, and what the science says we can do about it. Because once you understand this, you will never look at a supplement bottle the same way again — and you will understand exactly why the new generation of products I have been working on is built so differently.

Bioavailability — The Number That Is Never Printed on the Label

The scientific term for how much of a compound actually reaches your circulation in active form is bioavailability. It is the quiet difference between the dose you take and the dose your body can use. According to research published in PubMed, the oral bioavailability of many beneficial compounds is severely limited by a chain of obstacles, each one a leak in the pipe between your mouth and your cells.

Picture the journey. A capsule has to break open and release its contents. Those contents have to dissolve in the watery, acidic environment of your gut. They need to survive that environment without being chemically transformed into something inert. They have to cross the wall of your intestine, which is selective about what it lets through. And they have to get past the first pass through your liver, which treats many compounds as foreign and begins breaking them down immediately.

A compound needs to survive every one of those steps to do its job. Miss any single one, and the impressive number on the label becomes a figure that exists on paper but not in your bloodstream. Researchers reviewing this problem have repeatedly noted that the way a compound is delivered — the surrounding matrix, the particle size, the carrier it travels in — can matter as much as, or more than, the compound itself.

Why So Much Is Lost in Transit

To understand why absorption fails so often, it helps to understand what your digestive tract is actually designed to do. It is a highly selective barrier. Its entire job is to extract what your body recognizes and needs while keeping out what it does not.

That selectivity is a feature when it comes to keeping toxins and pathogens out. It becomes a problem when the beneficial compound you want is one your gut does not efficiently recognize or transport. Several specific failure points show up again and again in the literature:

Poor solubility — Many of the most valuable compounds in nutrition do not dissolve well in water. In the watery environment of your gut, they clump together, fail to disperse, and pass through largely untouched.
Chemical degradation — Stomach acid and digestive enzymes are powerful. They break down many sensitive compounds long before those compounds reach the part of the gut where absorption would occur.
Low permeability — Even a compound that survives digestion intact may not be able to cross the intestinal wall efficiently. If it cannot get through the barrier, it cannot enter your bloodstream.
First-pass metabolism — Many compounds that do get absorbed travel first to the liver, which may metabolize a large fraction of the dose before it ever reaches general circulation.

Each of these is a place where the dose on the label quietly shrinks. Stack them together, and you begin to see why a high number on a bottle can translate into a disappointingly small effect in your body.

Fat-Soluble Compounds and Minerals Struggle Most

Some of the most beneficial compounds in nutrition are also the hardest to absorb. Fat-soluble plant actives — the pigments in tomatoes, the compounds in turmeric, the antioxidants in olives and many others — tend to be poorly water-soluble by nature. In the watery environment of the gut, they resist dissolving, and what does not dissolve generally does not get absorbed.

Research on compounds like lycopene and curcumin illustrates the problem vividly. These are compounds with substantial documented potential, yet their natural bioavailability is so low that, taken in conventional form, much of the dose is wasted. Investigators studying these compounds have concluded that the central challenge is not whether the compound works, but whether you can get a meaningful amount of it into the body at all.

Minerals face a different gauntlet. They bind to other components in food and other supplements, they compete with one another for the same absorption pathways, and are frequently lost to these interactions. The result is the same: a portion of the labeled dose, sometimes a large portion, never makes it into the bloodstream.

The Compounds That Suffer Most — A Closer Look

It is worth naming some of the specific compounds where this problem is most acute, because the list includes many of the most popular supplements people take every day expecting benefits they may not be receiving.

Curcumin, the active compound in turmeric, is notoriously poorly absorbed in its natural form. It is poorly soluble in water, unstable at the pH levels found in parts of the digestive tract, and rapidly metabolized and eliminated. Taken plainly, a large share of a curcumin dose never reaches circulation in active form at all.

Carotenoids such as lycopene — the compound that gives tomatoes their red color — are fat-soluble and crystalline, which means they resist dissolving in the gut and clump together rather than dispersing. Their absorption depends heavily on the form they are delivered in and what they are taken alongside.

Many minerals face the opposite problem: they are too reactive. They bind to other dietary components, compete with one another for the same transport channels, and are frequently rendered unavailable before absorption can occur. The form a mineral is delivered in can dramatically change how much your body takes up.

The pattern across all of these is the same. The compound has documented potential. The natural form delivers only a fraction of it. And the difference between a product that addresses this and one that ignores it is invisible on the label.

How Bioavailability Is Actually Measured

When researchers want to know how bioavailable a compound is, they do not rely on the label. They give a measured dose and then track the compound and its metabolites in blood and urine over time; sampling at intervals to see how much actually appears in circulation, how high the concentration peaks, and how quickly it rises and falls.

Studies that do this reveal just how wide the gap can be. In bioavailability research on olive-derived antioxidant compounds, for instance, investigators tracked plasma and urine levels after dosing and confirmed both that the compound was absorbed and that absorption increased with the delivered dose — the kind of direct measurement that tells you what is really happening, rather than what the label implies.

The lesson from this body of work is consistent: the only way to know what a formulation truly delivers is to measure what reaches the body, and many products on the shelf have never been evaluated that way.

Why Two Identical Labels Produce Different Results

This is the practical consequence that should change how you shop. Two products can carry nearly identical labels — same compound, same milligrams — and produce completely different results in the real world. One may deliver a meaningful dose to your tissues. The other may deliver what amounts to a rounding error. And you, standing in the aisle or scrolling a product page, have no way to tell them apart, because bioavailability is invisible at the point of purchase.

This is also why so many people conclude that a particular nutrient “doesn’t work for them.” Often the nutrient works fine. What failed was the delivery. They never got enough of the active compound into their system to find out whether it would help. The experiment was rigged from the start by a formulation that could not survive the trip. Before you abandon a nutrient that the science says should help, it is worth asking whether you ever actually received a meaningful dose of it.

Why the Industry Optimized for the Wrong Number

If delivery matters so much, you might reasonably ask why the supplement industry spent decades competing on dose instead. The answer is partly historical and partly commercial, and it is worth understanding because it explains the landscape you are shopping in today.

Dose is easy to print and easy to compare. A consumer can glance at two bottles, see that one says 1,000 milligrams and the other says 500, and conclude the first is the better value. Bioavailability is invisible, harder to measure, and harder to communicate on a label. So the industry competed on the number people could see, and a kind of dose arms race took hold — ever-higher milligram counts, regardless of how much of that dose the body could actually use.

Raw, unformulated compound is also cheaper than a well-delivered compound. Adding a genuine delivery system — a lipid carrier, a protective coating, nanoscale processing — costs more to develop and manufacture. For a company competing purely on price and dose, those costs are easy to skip, and the consumer, unable to see the difference, rarely penalizes them for it. The result is a market full of products optimized for the label rather than for your cells.

None of this means high-dose products are fraudulent. It means the number on the front is answering the wrong question. The question that matters is not how much went into the capsule, but how much of it reaches the tissues that need it. Once you internalize that, the entire shelf looks different.

A Practical Buyer’s Checklist

Until bioavailability is something every label is required to report — which it is not — you are left to read between the lines. Here is what I look for, and what I suggest you look for too:

A named delivery system — Does the product specify how the compound is delivered — liposomal, lipid nanoparticle, microencapsulated, or another defined approach — or does it simply rely on a large dose? A named, sensible delivery system is a meaningful signal.
A form matched to the compound — Fat-soluble compounds benefit from lipid-based delivery. Compounds that need to reach a specific place benefit from protective coatings. The form should fit the compound’s actual weakness, not just sound impressive.
Restraint on dose claims — Be wary of products whose entire pitch is an enormous milligram count. That can be a sign that the formulation is compensating for poor delivery.
Transparency about mechanism — A company that understands delivery can explain, in plain terms, what its system does and why. Vague adjectives with no mechanism behind them are a yellow flag.
Evidence of measurement — The best products are built by people who measured what actually reaches the body, rather than assuming the label dose equals the delivered dose.

The Research Converges on One Conclusion

When you read across the scientific literature on this topic, one theme repeats with remarkable consistency: improving delivery improves outcomes. Studies on compounds ranging from olive-derived antioxidants to carotenoids to curcumin all arrive at the same destination — when you solve the delivery problem, you unlock benefits that the raw compound simply could not provide on its own.

Read that again, because it is the entire point. The active ingredient was, in case after case, not the limiting factor. The delivery was. The compound had the potential all along; it just never arrived in usable form. And that means the path to better results runs not through ever-higher doses of poorly delivered compounds, but through smarter delivery of sensible ones.

What This Means for You

Start asking better questions about everything in your supplement cabinet. A high dose on the label means very little if most of it never arrives. When you evaluate a product, look past the headline number and ask how the compound is delivered — whether the formulation does anything at all to help the active survive digestion and reach your tissues, or whether it simply drops a raw compound into a capsule and hopes for the best. Here are a few practical habits worth adopting:

Treat the delivery system as part of the dose — A modest amount delivered well can outperform a large amount delivered poorly. The form matters as much as the number.
Be skeptical of megadosing as a fix — Taking more of a poorly absorbed compound is an expensive and inefficient way to compensate for bad delivery. You are mostly paying to excrete the excess.
Match the compound to the goal — Some compounds need to act in a specific place — the lower gut, for instance. If a product cannot get the compound there intact, the dose is academic.

In the next article, I am going to show you exactly how the newest delivery technologies solve this problem — the science of getting the active compound where your body can use it. And in the article after that, I will show you the first place we chose to prove it, and why we started where we did.

Because the goal was never to swallow a capsule. The goal was always to get the active compound to the cells that need it. Everything else is just packaging.

Meet Pax — Your 22nd Century Health Coach

Understanding what your body actually absorbs used to require a doctor, a lab, and a great deal of guesswork. Not anymore. Pax is the AI health coach we built to put that intelligence in your pocket, with at-home lab testing, personalized interpretation of your results, and a 24/7 coach that knows your numbers and your goals.

We are rolling Pax out to our community right now, and you can start for free. Open Pax here → pwa.paxhealthcoach.com

FAQ

Q: What is bioavailability, in plain terms?

A: Bioavailability is the share of a compound you take that actually reaches your bloodstream in active form and is available for your body to use. A supplement can list a high dose on the label, but if its bioavailability is low, only a small fraction of that dose ever does anything.

Q: Does a higher dose make up for poor absorption?

A: Only crudely, and inefficiently. Taking more of a poorly absorbed compound increases the amount you waste as much as the amount you use, and it can be expensive. Improving how a compound is delivered is a far more effective lever than simply raising the dose.

Q: How can I tell if a supplement is well absorbed?

A: Look for products that describe their delivery system — terms like liposomal, lipid nanoparticle, or microencapsulated — rather than only shouting a dose. A product that explains how the compound is protected and delivered is telling you something that can actually influence results.

Q: If a nutrient never seemed to help me, does that mean it doesn’t work?

A: Not necessarily. It may mean you never received a meaningful dose. Many people give up on a nutrient that the science supports simply because the form they took was too poorly absorbed. Before concluding a nutrient doesn’t work for you, consider whether the delivery was the real failure.

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★Could This Hidden Deficiency Be Blocking Your Vitamin D?

Fri, 10 Jul 2026 04:00:21 GMT

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How Hot Is Too Hot? Here's What to Consider When Exercising in the Heat

Dr. Joseph Mercola — Fri, 10 Jul 2026 03:33:32 GMT

STORY AT-A-GLANCE

There is no single temperature that automatically makes exercise unsafe because humidity, direct sunlight, and airflow often influence heat stress as much as the temperature itself
Your body maintains a core temperature near 98.6 degrees F, but exercise and hot weather together increase heat production, raising the risk of heat-related illness when heat builds up faster than your body can release it
Early warning signs such as headaches, dizziness, muscle cramps, weakness, and unusual fatigue often appear before a heat emergency develops, giving you an opportunity to cool down and recover before the situation becomes dangerous
Most people adapt to exercising in hot weather within about four to 14 days, making gradual increases in workout duration and intensity one of the most effective ways to improve heat tolerance
Simple strategies such as exercising during cooler hours, staying hydrated throughout the day, wearing lightweight clothing and responding quickly to warning signs help you stay active safely even during the hottest months of the year

When the weather turns brutally hot, your body is already working hard to hold its internal temperature steady. Add a workout to that effort, and the margin for error shrinks fast. Heat and exertion stack on top of each other, and at some point your body’s cooling systems simply can’t keep pace, which is when a routine summer workout starts to turn hazardous.

Most people reach for the thermometer to decide whether it’s safe to head outside, but the number on a weather app tells only part of the story. How much heat your body absorbs, and how easily it sheds that heat, depends on far more than air temperature alone. That’s why one hot day can feel perfectly manageable while another, at the very same temperature, leaves you struggling.

None of this means you have to surrender your outdoor routine until autumn. Staying physically active is too valuable to abandon for a few warm months, and with the right adjustments you can keep moving safely through even the hottest stretches of summer. The difference between a safe workout and a risky one usually comes down to recognizing your limits and adapting to conditions rather than ignoring them.

So, the real question isn’t simply whether it’s hot out. It’s how temperature, humidity, sunlight, and airflow combine to determine whether today’s workout helps you or harms you — and what you can do to keep tipping that balance in your favor.

Heat Danger Isn’t Just About the Thermometer

An article published by The Conversation examined a question many active people ask during summer: how hot is too hot for exercise?¹ The answer surprised many readers because air temperature alone doesn’t determine risk.

Humidity, wind speed, and solar load, meaning how much direct sunlight reaches you, all influence how much heat stress your body experiences during physical activity. If you’ve ever felt fine on an 85-degree F day but miserable on another day with the same temperature, these hidden factors explain why.

Your body’s cooling system faces multiple challenges at once — Your body normally works to maintain a core temperature around 98.6 degrees F (37 degrees C). Exercise generates additional internal heat, forcing your cooling systems to work harder. When environmental conditions interfere with those cooling mechanisms, heat begins to accumulate faster than your body can remove it. The result is rising physical strain even when your workout pace feels manageable.
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Even seemingly modest changes in core temperature matter. Your core only has to climb about 3 degrees C (about 5.4 degrees F) — from a normal 37 degrees C (98.6 degrees F) to roughly 40 degrees C (104 degrees F) — to tip into exertional heat illness.
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At that temperature, the enzymes your cells rely on start to break down, which is why such a small-sounding rise is so dangerous. Danger doesn’t require record-breaking temperatures. It develops when heat production exceeds heat removal.
Humidity often creates more trouble than heat alone — Moisture in the air makes it harder for sweat to evaporate from your skin, which is your body’s most effective cooling method. Cooling happens in the evaporation — as sweat turns to vapor, it carries heat off your skin, the same way a wet towel cools your neck while it dries.
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On a humid day the air is already so saturated that sweat can’t evaporate, so it drips off useless: you lose the fluid but keep the heat. This reduced evaporation increases heat strain and raises the risk of overheating during physical activity.
Direct sunlight adds another layer of stress — Two days with identical air temperatures can feel dramatically different if one includes intense direct sun while the other remains cloudy. Your body must handle both the heat generated by exercise and the heat absorbed from the environment.
Early warning signs appear before a true emergency develops — Exertional heat illness rarely starts with collapse. Instead, headaches and feeling faint often appear first. Heavy sweating, unusual fatigue, weakness, muscle cramps, and dizziness all signal that your body needs attention. These symptoms serve as warning lights on your body’s dashboard. Ignoring them allows heat stress to continue building.
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Severe cases can progress to seizures, loss of consciousness, and even death. The bright line: confusion, a person who stops sweating despite the heat, or anyone who collapses is a medical emergency — call emergency services and start cooling immediately while you wait.
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While those outcomes are uncommon, they demonstrate how quickly overheating can escalate when your body’s temperature-control systems fail. Paying attention to early symptoms gives you an opportunity to stop before the situation becomes dangerous.
Different weather conditions create different levels of risk — There is no universal temperature cutoff that automatically makes exercise unsafe. A dry day with moderate wind may feel comfortable at a temperature that becomes hazardous during humid, windless conditions.
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Rather than focusing on a single number on a weather app, look at the entire environment. When you begin viewing heat as a combination of temperature, humidity, sunlight, and airflow, it becomes much easier to adjust your workout, protect your health, and continue exercising safely throughout the summer months.

Simple Habits Make Hot-Weather Workouts Safer

In guidance published by the American Heart Association, experts focused less on defining dangerous temperatures and more on helping people stay active safely when warm weather arrives.2 Rather than encouraging people to avoid outdoor exercise altogether, the organization emphasized strategies that help you continue moving while lowering risk. The message is empowering: you don’t need perfect conditions to stay active, but you do need a plan.

The recommendations cover adults, children, recreational exercisers, and people with chronic health conditions. Walking, swimming, biking, gardening, playing sports with family members, and even pushing a stroller all count as physical activity. The key takeaway is that staying active remains important during summer, but success depends on adapting your routine to match the conditions.

Timing creates one of the biggest advantages — One of the simplest recommendations was to avoid the hottest part of the day. Outdoor exercise is generally safer outside the noon-to-3 p.m. window because temperatures and sun exposure often peak during those hours.
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An early-morning walk or an evening bike ride often feels dramatically easier than the exact same workout performed during the afternoon. This gives you a simple challenge to try: move your activity one or two hours earlier or later and compare how you feel. Many people discover they maintain better energy and recover more comfortably.
Your wardrobe influences performance — Lightweight, loose-fitting, and light-colored fabrics help your body release heat more efficiently than heavy or dark clothing.3 Choose breathable, natural fabrics like cotton and linen, which allow air to circulate and help wick away moisture. This improves comfort and helps your body’s natural cooling systems work more efficiently. Think of your clothing as part of your exercise equipment rather than an afterthought.
Heat adaptation follows a predictable timeline — Adapting to hotter conditions takes time. Many experts estimate this adjustment period lasts roughly four to 14 days. During this period, your body gradually becomes more efficient at handling environmental stress.
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Many people make the mistake of trying to perform at their usual level immediately after temperatures rise. The guidance encourages patience instead. Treat hot-weather fitness like leveling up in a game. Build tolerance gradually, track progress, and allow your body to adjust before increasing intensity. In the meantime, shopping malls, recreation centers, gyms, and home-based workouts provide alternatives when outdoor conditions become uncomfortable.
Some people face higher risks than they realize — If you have cardiovascular disease, diabetes, or another chronic health condition, discuss exercise plans with a health care professional before increasing outdoor activity during hot weather. This doesn’t mean avoiding exercise. It means understanding your individual situation and making informed decisions.
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One unique point raised by the American Heart Association involves prescription drugs that influence how the body responds to heat. Some common medications work against you in the heat: diuretics deplete the fluid and salt you need to sweat, while certain blood-pressure drugs blunt either your heart’s ability to pump blood to the skin or the sweating reflex itself. If you take these, watch for warning signs earlier and talk to your doctor about hot-weather adjustments.
Food and drinks support recovery — Beyond hydration, the guidance highlighted cooling foods and beverages that help replenish fluids and nutrients after activity. Examples included chilled fruit, fruit smoothies, cold vegetables, and sparkling water flavored with citrus or cucumber.

Practical Steps for Safer Summer Workouts

The root cause of most heat-related exercise problems is simple: your body produces more heat than it can release. When you combine intense activity, direct sunlight, dehydration, poor timing, and inadequate recovery, that imbalance grows quickly. The good news is that a few strategic adjustments dramatically reduce stress on your body while allowing you to stay active throughout the warmer months. The goal is to help you exercise smarter so you can stay consistent, comfortable, and safe.

Exercise when the environment works with you, not against you — Your first line of defense is timing. If you’re exercising outdoors, schedule workouts during the early morning or later evening when temperatures are lower and sunlight is less intense. Avoid treating every workout as a test of toughness. A 30-minute walk completed comfortably at 7 a.m. delivers far more long-term benefit than a miserable workout during the hottest part of the day.
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Make it a personal challenge to track how you feel at different times of day. Energy, endurance, and recovery often improve dramatically when you simply move your exercise session to cooler hours.
Start every workout hydrated and stay ahead of fluid losses — Many people focus on drinking during exercise but begin their workout already behind. Your body relies on adequate fluids to move heat away from your core and release it through sweat. Drink steadily through the day rather than scrambling beforehand. The simplest gauge is your urine — pale straw-colored means you’re on track; dark yellow means you’re behind.
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If you’re exercising for longer periods or sweating heavily, include mineral-rich fluids and foods. Fresh fruit, smoothies made with whole fruit, coconut water, and mineral water all help support hydration while providing electrolytes lost through sweat.
Build heat tolerance gradually instead of forcing it — One of the fastest ways to get into trouble is treating the first hot day of the season like any other workout day. Your body adapts to heat over time.
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Start with shorter sessions. Reduce intensity. Then gradually increase duration and effort over one to two weeks. Think of heat adaptation as a fitness level of its own. Every successful workout earns another step toward better heat tolerance.
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If you’re new to exercising outdoors or returning after time away, patience produces better results than pushing through discomfort.
Dress to release heat efficiently — Clothing acts like either an air conditioner or an insulator. Choose natural, lightweight, loose-fitting, and light-colored fabrics that allow heat to escape easily. A hat, visor, and appropriate sun protection also reduce unnecessary heat stress. The goal is simple: give your body every opportunity to cool itself effectively.
Treat warning signs as valuable feedback — Your body communicates long before a true emergency develops. Pay attention to unusual fatigue, muscle cramps, dizziness, weakness, headaches, or excessive discomfort. If these signs appear, stop immediately. Move into shade or an air-conditioned environment. Cool your skin with cold water, a cool towel, or a fan. Rest until symptoms fully resolve.
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View these warning signs the same way you view a check-engine light in a car. Responding early prevents small problems from becoming serious ones. The smartest athletes are not the ones who ignore their body’s signals. They’re the ones who recognize them and act before trouble starts.

FAQs About Exercising When It’s Hot Outside

Q: How do I know when it’s too hot to exercise outdoors?

A: There is no single temperature that automatically makes exercise unsafe. Humidity, direct sunlight, wind speed, and workout intensity all affect how much heat stress your body experiences. A moderately hot day with high humidity and intense sun often creates more risk than a hotter day with lower humidity and better airflow.

Q: What are the first signs that my body is overheating?

A: Early warning signs include headaches, dizziness, unusual fatigue, muscle cramps, weakness, heavy sweating, and feeling faint. These symptoms often appear before a true heat emergency develops. If you notice them, stop exercising, move to a cooler location, and begin cooling down immediately.

Q: Why does humidity make exercising feel so much harder?

A: Your body relies on sweat evaporation to remove excess heat. When humidity is high, sweat remains on your skin instead of evaporating efficiently. As a result, your body loses fluids without receiving the full cooling benefit, causing heat to build up more quickly.

Q: How long does it take to adapt to exercising in hot weather?

A: Most people begin adapting within several days, with meaningful improvements often occurring over four to 14 days. During this period, your body becomes more efficient at handling heat stress. Gradually increasing workout duration and intensity helps build tolerance more safely than trying to maintain your normal performance right away.

Q: What are the best ways to stay safe while exercising in the heat?

A: Schedule workouts during cooler parts of the day, stay hydrated before and during exercise, wear lightweight and breathable clothing, increase heat exposure gradually, and pay attention to warning signs from your body. If symptoms such as dizziness, weakness, or muscle cramps develop, stop exercising and begin cooling down immediately.

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The Conversation January 6, 2026

American Heart Association January 12, 2024

Mayo Clinic Health System August 5, 2020

★The Hidden Score Quietly Predicting Brain Decline

Thu, 09 Jul 2026 04:00:32 GMT

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The Hidden Score Quietly Predicting Brain Decline

Your birthday matters less than how fast your body is aging internally, and researchers say the gap is strongly tied to stroke and memory risk.

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Study: Anxiety and Depression Drive Global Mental Health Surge to Nearly 1.2 Billion

Dr. Joseph Mercola — Thu, 09 Jul 2026 03:33:04 GMT

STORY AT-A-GLANCE

Nearly 1.2 billion people worldwide were living with a mental disorder in 2023, and anxiety and depression accounted for much of the increase, making mental illness one of the leading causes of disability across the globe
Teenagers ages 15 to 19 now carry the highest burden of mental disorders, replacing middle-aged adults as the most affected group and raising concerns about long-term effects on education, relationships and future health
Mental health concerns are appearing more often during routine pediatric medical visits, with anxiety-related visits increasing about 300% over the last decade despite a slight decline in overall doctor visits
Brain imaging research found that people with anxiety disorders had about 8% lower levels of choline-containing compounds in important brain regions involved in attention, planning, memory and emotional regulation
Prioritizing sleep, exercising regularly, strengthening social connections, reducing chronic stress, and consuming enough choline from foods such as pastured egg yolks and grass fed beef liver are practical steps that help support long-term brain and mental health resilience

Nearly 1.2 billion people worldwide are now living with a mental disorder, a burden that has surged dramatically over the past three decades according to an analysis published in The Lancet.1 Mental illness has climbed into the ranks of the world’s most disabling health conditions, and anxiety and depression are leading that rise.

Unlike a broken bone or a visible injury, mental disorders often develop quietly. Anxiety disorders are characterized by excessive worry, nervousness, fear, panic attacks, sleep disruption, and difficulty concentrating. Depression often involves persistent sadness, loss of motivation, fatigue, changes in appetite, and a reduced ability to enjoy daily life. Left unaddressed, these conditions affect relationships, work performance, physical health and overall quality of life.

What makes the trend especially alarming is who it’s hitting hardest. The heaviest burden no longer falls on middle age, as it long did, but increasingly on adolescents and young adults. That same shift is turning up in doctors’ offices, where mental health concerns now occupy a growing share of routine pediatric visits even as children see their physicians less often overall.2 And as researchers look deeper, they’re beginning to find the fingerprints of chronic anxiety inside the brain itself.

Two questions follow from numbers like these: what’s driving the rise, and who’s absorbing most of it? The first study provides a detailed look at how widespread the problem has become and why its impact continues to grow.

The Mental Health Burden Shifted to a Younger Generation

The Lancet study examined mental disorders across 204 countries and territories from 1990 through 2023.3 The researchers evaluated 12 mental disorders, including anxiety disorders, major depressive disorder, bipolar disorder, schizophrenia, autism spectrum disorder, attention-deficit hyperactivity disorder (ADHD), eating disorders, and several developmental conditions. Their goal was to determine how mental health trends have changed over time and which groups are experiencing the greatest burden.

The numbers reveal a dramatic rise — Researchers estimated that 1.17 billion people worldwide were living with a mental disorder in 2023, representing a 95.5% increase in total cases since 1990. Even after accounting for population growth and aging, the age-standardized prevalence rate increased by 24.2%, showing that the rise was not simply due to more people being alive today.
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This means mental health disorders are becoming more common in everyday life, workplaces, schools and communities around the world. The increase wasn’t limited to a handful of countries. Researchers reported higher mental disorder disability rates in every location studied compared to 1990.
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Rates ranged from approximately 1,302 disability-adjusted life years per 100,000 people in Vietnam to more than 3,555 per 100,000 in the Netherlands. Importantly, the burden remained high regardless of a country’s level of economic development, indicating that greater wealth alone does not solve the mental health crisis.
Mental disorders became one of the world’s biggest health problems — The study found that mental disorders accounted for 171 million disability-adjusted life years, often abbreviated as DALYs, in 2023. DALYs measure years of healthy life lost due to illness or disability.
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Mental disorders were responsible for 6.1% of all DALYs worldwide and rose from the twelfth leading cause of health loss in 1990 to the fifth leading cause in 2023. Researchers also found that mental disorders became the leading cause of years lived with disability globally, accounting for 17.3% of all disability-related health loss.
Anxiety and depression drove much of the increase — Among all mental health conditions studied, anxiety disorders and major depressive disorder contributed the largest share of the burden. Additional reporting on the analysis noted that anxiety cases increased by 158% and depression cases increased by 131% compared to 1990 levels.
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Anxiety disorders ranked as the largest contributor to mental health-related disability worldwide, followed by major depression and schizophrenia. These findings suggest that persistent stress, worry and low mood are becoming defining health challenges of modern life.
Teenagers now carry the heaviest burden — Mental disorder disability rates peaked among individuals ages 15 to 19 years in 2023. Lead author Dr. Damian Santomauro noted that previous Global Burden of Disease reports consistently showed the highest burden during middle age, making this shift historically unusual.4
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Because adolescence is a period when the brain, emotional regulation skills and social abilities are still developing, disruptions during these years often create effects that continue into adulthood.
Women experienced a greater overall burden than men — Across the globe, age-standardized disability rates from mental disorders were higher among females than males. Researchers calculated a rate of 2,239.6 disability-adjusted life years per 100,000 females compared to 1,900.2 per 100,000 males.
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While some conditions such as ADHD, autism spectrum disorder and conduct disorder occurred more frequently in males, anxiety disorders and depression contributed heavily to the greater overall burden among females.
Researchers identified several forces behind the trend — The study focused on measuring disease burden rather than proving causes, but the authors and experts commenting on the findings pointed to several likely contributors.
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These included economic instability, political conflict, warfare, food insecurity, discrimination, declining social connection, trauma, environmental stressors, and the lingering effects of the COVID-19 pandemic.5 Improved awareness and diagnosis also play a role, but they don’t fully explain the scale of the increase.

Mental Health Moved Into the Pediatric Exam Room

A study published in JAMA Network Open analyzed insurance records from Massachusetts between 2014 and 2023 to determine how often mental health concerns appeared during routine pediatric primary care visits.6

The dataset was enormous, covering more than 37.6 million person-quarters — meaning one person enrolled in insurance for one three-month period — and representing 1.85 million unique children and adolescents ages 1 to 18 years. Researchers looked at regular doctor visits to see how often mental health conditions appeared in everyday health care settings.

Mental health concerns occupied a growing share of primary care — Visits involving any mental health diagnosis increased from 5.9 visits per 100 insured children in early 2014 to 9.7 visits per 100 children by early 2023.
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That means pediatricians and family doctors encountered mental health concerns far more frequently than they did a decade earlier. This finding highlights how often emotional and behavioral concerns now surface during routine medical appointments rather than only in specialized mental health offices.
Anxiety stood out from every other condition — Among all mental health diagnoses tracked, anxiety showed the most dramatic increase. Anxiety-related diagnoses appeared in 1.7% of pediatric primary care visits in 2014 but rose to 6.1% by 2023. Researchers described this as a roughly 300% relative increase over the 10-year period. No other condition came close to matching that rate of growth.
Other diagnoses also increased steadily — ADHD remained the most common mental health concern encountered in pediatric primary care throughout the study period. ADHD diagnoses increased from 5% of visits to 6.7% of visits.
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Autism spectrum disorder rose from 0.5% to 2%, while trauma- and stress-related disorders doubled from 0.8% to 1.6%. Depression diagnoses also increased, rising from 1.2% to 1.6% of visits. The pattern shows that anxiety was not an isolated trend. Multiple mental health concerns became more visible throughout childhood and adolescence.
The rise occurred despite fewer doctor visits overall — During the same period that mental health-related visits increased, overall pediatric primary care visits declined slightly from 58.9 visits per 100 children to 54.8 visits per 100 children. In practical terms, children were not visiting doctors more frequently overall. Instead, mental health concerns represented a larger share of the healthcare issues discussed during those visits.
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The authors suggested that the trend reflects both an increase in underlying mental health needs and greater efforts by health care providers to identify those needs. Screening refers to the use of questionnaires, conversations, and assessments that help doctors recognize concerns before they become severe. As more practices adopted these approaches, more children received diagnoses that previously might have gone unnoticed.
Pediatric clinics have become a frontline setting for mental health care — Many families first discuss emotional concerns, behavioral struggles, school difficulties or social challenges with a primary care physician rather than a psychiatrist. Routine wellness visits become checkpoints where concerns can be recognized earlier and addressed before they disrupt academic performance, friendships or family relationships.
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The researchers concluded that pediatric practices require additional training, resources and integrated mental health services to meet rising demand. Integrated care means mental health professionals work alongside primary care providers within the same health care system, making support easier to access.
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As anxiety and other mental health concerns continue to appear more frequently in routine medical visits, the ability to identify and address problems early becomes increasingly important for long-term emotional well-being.

People with Anxiety Had Lower Brain Choline Levels

A meta-analysis published in Molecular Psychiatry combined data from 25 brain imaging studies involving 370 people with anxiety disorders and 342 healthy controls.7 Researchers wanted to determine whether people with anxiety share specific changes in brain chemistry.

After comparing scans across generalized anxiety disorder, panic disorder and social anxiety disorder, they found one abnormality that appeared repeatedly: lower levels of choline-containing compounds in the brain’s cortex.

Choline is an essential nutrient that helps build and maintain brain cell membranes and is needed to produce acetylcholine, a neurotransmitter involved in memory, learning, attention and mental processing. When choline-related compounds decline, brain cells have fewer resources available for maintenance and communication.

The reduction was both consistent and significant — Across the studies, cortical choline levels were about 8% lower in people with anxiety disorders than in healthy controls. The finding became even stronger in studies with the highest-quality measurements, suggesting this was not a statistical fluke or isolated observation.
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Researchers described reduced choline-containing compounds as a “consistent, transdiagnostic abnormality,” meaning it appeared across multiple anxiety disorders rather than being limited to one specific diagnosis.
The affected brain regions help regulate thoughts and emotions — The largest changes appeared in cortical regions of the brain, particularly areas involved in executive function. Executive function refers to your brain’s ability to plan, organize, focus attention, and regulate emotional responses. Researchers noted that anxiety disorders are often associated with difficulty controlling worry and threat-related thoughts, making abnormalities in these regions especially relevant.
Chronic stress appears to increase demand for choline — Persistent activation of the brain’s threat and arousal systems creates increased demand for choline-containing compounds. Over time, the brain appears to consume these compounds faster than it replenishes them. Researchers suggested that chronically elevated arousal alters membrane phospholipid metabolism — the process your brain uses to build, repair and recycle the fatty structures that make up cell membranes.
Another marker suggested reduced neuronal health — Researchers also found lower levels of N-acetylaspartate, or NAA, across cortical regions. NAA is often used as a marker of neuronal integrity, meaning the overall health and function of brain cells. Lower levels suggest that chronic anxiety is associated not only with altered choline metabolism but also with broader changes in neuronal function.
The findings point to a biological component of anxiety — One of the most important takeaways is that anxiety disorders are associated with measurable physical changes inside the brain. Researchers concluded that reduced cortical choline levels represent a widespread neurometabolic abnormality in anxiety disorders.
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This helps explain why chronic anxiety often feels exhausting and difficult to control. The condition is not simply a pattern of negative thoughts; it’s associated with changes in the brain’s chemistry, structure maintenance and energy demands.

Build Resilience Before Anxiety Takes Control

The research paints a clear picture. Mental health challenges are rising across all age groups, anxiety is showing up more often in routine medical visits, and researchers are finding measurable changes inside the brain among people who struggle with chronic anxiety. That makes it important to focus on the factors you can influence every day. While no single habit eliminates anxiety, consistent lifestyle choices help reduce the stress load that drives it and support healthier brain function over time.

Make sleep your first priority — If your sleep is poor, every other strategy becomes harder. Anxiety and sleep disruption fuel each other. Create a consistent bedtime and wake time, even on weekends. Get outside shortly after sunrise to expose your eyes and skin to natural light. This helps regulate your circadian rhythm, which is your body’s internal clock. I also recommend reducing artificial light exposure after sunset so your brain receives a stronger signal that it’s time to rest.
Make exercise non-negotiable — Exercise is one of the most powerful tools available for mental health. Research consistently shows that exercise reduces depression symptoms as effectively as antidepressant medications and psychotherapy for many adults, without the burden of prescription side effects.8 Physical activity lowers stress hormones, improves sleep quality, supports healthy brain chemistry, and helps your brain adapt more effectively to life’s challenges.
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If you’re inactive, start with a daily walk. As your fitness improves, add resistance training two times per week. Think of exercise as a daily investment in your brain’s resilience, not just your physical fitness.
Strengthen your social connections — The global mental health research identified declining social connection as one of the major factors associated with worsening mental health trends. Make connection a daily practice rather than an occasional event. Call a friend. Join a group activity. Eat meals with family members.
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Aim for one real conversation and, where you can, one shared meal a day. Small interactions add up; give yourself a concrete daily target rather than waiting for the occasional big get-together.
Reduce the sources of chronic stress you can control — You can’t eliminate every stressor, but you can lower the number hitting your nervous system at the same time. Review your day like a scorecard. How much time do you spend consuming upsetting news, scrolling social media or multitasking? How often do you build recovery time into your schedule? Identify one source of unnecessary stress and remove it this week. Then repeat the process next week.
Give your brain the choline it needs — The brain imaging research found that people with anxiety disorders had significantly lower levels of choline-containing compounds in important brain regions. The best food source of choline is pastured egg yolks, but look for eggs from hens raised on low-polyunsaturated-fat (low-PUFA) feed.
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Grass fed beef liver is another excellent option that provides highly absorbable choline. Most adults need roughly 425 to 550 milligrams (mg) of choline daily. A single egg yolk delivers around 115 to 150 mg, so two or three covers most of that target.
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If you avoid animal foods, getting enough choline becomes much more difficult. Cruciferous vegetables such as broccoli, cauliflower and Brussels sprouts contain choline, but the amounts are relatively small. You would need to eat very large quantities to meet your needs. In that situation, a choline supplement is often necessary to avoid deficiency.
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One underrated option is citicoline. Most products use doses that are too low to have a meaningful effect. At therapeutic doses between 500 mg and 2,500 mg daily, citicoline helps your brain produce acetylcholine while supplying building blocks needed to maintain healthy brain cell membranes. For people dealing with chronic stress, mental fatigue or difficulty concentrating, it’s one of the most targeted nutritional strategies for supporting healthy brain function.

FAQs About Rising Rates of Mental Health Disorders

Q: Why are mental health disorders becoming more common?

A: Researchers found that mental disorders have increased dramatically since 1990, with anxiety and depression leading the rise. Experts point to multiple contributing factors, including economic instability, trauma, declining social connection, political conflict, food insecurity, environmental stressors, and lingering effects from the COVID-19 pandemic. Improved diagnosis explains part of the increase, but it doesn’t account for the full scale of the trend.

Q: Which age group is most affected by mental health disorders today?

A: The highest burden now falls on adolescents ages 15 to 19. This marks a significant shift from previous decades, when middle-aged adults carried the greatest burden. Researchers are particularly concerned because adolescence is a key period for brain development, emotional regulation and social skill formation.

Q: Why are pediatric doctors seeing more mental health concerns?

A: Mental health concerns now make up a larger share of routine pediatric medical visits than they did a decade ago. Anxiety-related visits increased about 300% between 2014 and 2023, while ADHD, depression, autism spectrum disorder, and trauma-related diagnoses also increased. At the same time, overall pediatric doctor visits declined slightly, meaning mental health concerns are taking up a larger portion of the care children receive.

Q: What did researchers discover about anxiety and brain health?

A: A large brain imaging analysis found that people with anxiety disorders had lower levels of choline-containing compounds in important brain regions involved in thinking, attention and emotional regulation. Researchers also found lower levels of NAA, a marker associated with healthy brain cell function. These findings suggest that chronic anxiety is linked to measurable changes in brain chemistry and cellular health.

Q: What are some practical ways to support mental health?

A: Several lifestyle habits directly address factors associated with anxiety and depression. Prioritizing sleep, exercising regularly, maintaining strong social connections, and reducing sources of chronic stress all help support emotional resilience. The research also highlights the importance of adequate choline intake from foods such as pastured egg yolks and grass fed beef liver, since lower brain choline levels were consistently associated with anxiety disorders.

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★The Dental Debate That Refuses to Go Away

Wed, 08 Jul 2026 04:00:10 GMT

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The Dental Debate That Refuses to Go Away

A growing number of patients are questioning why mercury-based fillings are still used despite decades of controversy and mounting concern.

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Another Massive Study Finds Common Knee Surgery Is No Better Than a Placebo

Dr. Joseph Mercola — Wed, 08 Jul 2026 03:33:02 GMT

STORY AT-A-GLANCE

A major 10-year study found that one of the world’s most common knee surgeries worked no better than placebo surgery for chronic meniscus tears and often led to worse long-term joint damage
Patients who underwent arthroscopic partial meniscectomy developed more osteoarthritis progression and faced a greater likelihood of needing additional knee surgery later
Multiple placebo-controlled trials over the last two decades reached the same conclusion: trimming damaged knee cartilage doesn’t improve pain, mobility, or quality of life better than fake surgery
Chronic knee pain often stems from deeper problems like muscle weakness, poor movement mechanics, excess joint stress, and chronic inflammation rather than the cartilage tear visible on an MRI scan
Simple strategies like strength training, weight reduction, collagen-rich nutrition, balance work, and low-impact exercises such as cycling, tai chi, and pool walking help protect your knees more effectively than removing cartilage tissue

One of the world’s most common knee surgeries just failed another rigorous test, and it’s far from the first time. A growing stack of placebo-controlled trials shows that arthroscopic partial meniscectomy, a procedure that trims damaged knee cartilage, delivers no better results than fake surgery.

In trial after trial, patients improve at similar rates whether surgeons actually repair the knee or simply perform a simulated operation. When patients improve identically whether their cartilage was actually trimmed or merely pretended to be trimmed, the most logical conclusion is uncomfortable: the operation itself isn’t doing the healing.

Degenerative meniscus tears, meaning age-related breakdown of the rubbery cartilage that cushions your knee joint, affect millions of adults every year. Symptoms often include knee pain, swelling, stiffness, clicking, locking, and difficulty walking or climbing stairs. Many people receive MRI scans showing torn cartilage and immediately assume surgery is the answer.

Orthopedic surgeons have performed this operation routinely for decades based on the belief that removing damaged tissue relieves pain and restores function. The latest evidence comes from researchers at the University of Helsinki, who set out to answer a simple question: does this surgery actually change the long-term trajectory of your knee health?

Their findings don’t just echo earlier sham-surgery trials — they go further, suggesting the operation may actively leave patients worse off than doing nothing. That forces a much bigger question into the spotlight: if cutting away cartilage fails to solve chronic knee pain, what actually works to preserve joint function and keep your knees healthy as you age?

Fake Knee Surgery Wins Out in Landmark 10-Year Trial

For the study, published in The New England Journal of Medicine, researchers tracked adults with age-related knee cartilage tears for 10 years to see whether a common surgery that trims damaged cartilage actually improved knee pain and function over the long term.¹

Instead of comparing surgery to exercise or medication, researchers used a sham surgery group. That means some participants went through the same operating room process without the surgeon actually trimming the cartilage. This design separates the true physical effect of surgery from the placebo effect people often feel after any medical procedure.

Patients who underwent the real surgery did not improve more than the placebo group — After 10 years, researchers found no meaningful difference in pain relief, daily function, or quality of life between patients who had cartilage removed and those who underwent sham surgery. The expensive operation failed to outperform a placebo procedure designed to imitate it.
Some outcomes actually became worse after surgery — Researchers reported greater progression of osteoarthritis among patients who underwent the real procedure. Osteoarthritis refers to the gradual breakdown of joint cartilage and surrounding tissue that leads to chronic pain, stiffness, grinding sensations, and reduced mobility. Surgery patients also faced a greater likelihood of needing additional knee operations later.
The operation removes tissue your knee relies on for protection — Your meniscus acts like a shock absorber between the thigh bone and shin bone. It spreads force across the joint every time you walk, squat, climb stairs, or stand from a chair. Removing part of that cushion increases mechanical stress on the cartilage underneath.
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Imagine replacing the foam padding under a hardwood floor with thinner material; every footstep transfers more force to the wood below. That’s what happens to the bone-protecting cartilage when the meniscus cushion is trimmed away. Over time, that extra pressure accelerates joint wear. The study findings strongly support that explanation.
Researchers openly challenged the conventional explanation for knee pain — According to orthopedic specialist Dr. Raine Sihvonen, the longstanding assumption that inner knee pain automatically comes from a torn meniscus “does not withstand critical examination.”2 Researchers argued that many painful knees reflect broader age-related joint degeneration rather than one isolated tear visible on a scan.
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Further, structural damage on imaging doesn’t automatically mean surgery fixes the problem. Degenerative meniscus tears become extremely common with age. Many adults have tears without severe pain or disability. That means the scan itself doesn’t prove the tear caused the symptoms.
The findings exposed a larger problem inside modern medicine — Lead researcher Teppo Järvinen described the procedure as an example of “medical reversal,” meaning a treatment becomes widely accepted before strong evidence proves it works. Later, better-designed studies reveal the treatment offers little benefit or even causes harm. That’s exactly what happened here.
Despite mounting evidence, the surgery remains widely used worldwide. Researchers pointed out that several randomized trials already showed little benefit from partial meniscectomy in both short- and medium-term follow-ups. Yet many orthopedic organizations still endorse the procedure. Clinical habits often survive long after evidence changes.

Earlier Placebo-Controlled Trials Reached the Same Conclusion

The longer researchers study these procedures, the more the same pattern keeps appearing: patients improve at similar rates whether surgeons actually repair the knee or simply perform a simulated operation. That consistency across multiple trials raises serious questions about what truly drives chronic knee pain relief.

A major 2002 knee study found placebo surgery worked just as well as real arthroscopy — Researchers followed 180 patients with knee osteoarthritis who underwent either arthroscopic débridement, arthroscopic lavage, or a placebo procedure where no real surgical repair occurred.3
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Débridement involves trimming damaged cartilage and removing loose debris, while lavage simply flushes the joint with fluid. Over two years, pain scores, walking ability, and physical function improved similarly across all three groups. Researchers concluded the actual surgeries performed no better than placebo treatment.
A second placebo-controlled trial from Finland reinforced the same pattern — Published in 2013, the multicenter double-blind study followed 146 middle-aged adults with degenerative meniscus tears but no osteoarthritis.4 Participants underwent either arthroscopic partial meniscectomy or a carefully simulated sham surgery designed to mimic the real operation.
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Pain relief, knee function, and quality-of-life scores remained nearly identical between the surgery group and placebo group at the 12-month follow-up. Researchers found no clinically meaningful advantage from removing damaged meniscus tissue.
These repeated findings reveal a larger issue with chronic knee pain treatment — Imaging abnormalities like cartilage tears often receive blame for pain even when they’re common features of normal aging. Surgery targets the visible defect on the scan, but it doesn’t address the underlying drivers of joint degeneration such as muscle weakness, poor movement mechanics, excess joint loading, and chronic inflammation.

Strengthen Your Knees Before the Damage Accelerates

Your knee isn’t a machine part you can replace; it’s the visible joint of an invisible system. Muscles above and below it, the alignment of your hips and ankles, the strength of your core, the inflammatory state of your whole body — all of it converges on that joint with every step you take.

Cartilage, muscles, tendons, ligaments, and movement patterns all influence how much stress travels through the joint every day. When the surrounding muscles weaken or your movement becomes unstable, pressure concentrates in smaller areas inside the knee and speeds up wear over time. The research showed that removing damaged cartilage doesn’t correct those underlying forces.

Lasting improvement comes from rebuilding strength, improving balance and mobility, lowering inflammatory stress, and giving your connective tissues the nutrients required to repair and support the joint. Knees don’t heal in isolation; they heal only as well as the cellular machinery powering their repair.

Build stronger knee support with simple home exercises — Research published in The New England Journal of Medicine found that exercise, whether done at home or with a physical therapist, helped reduce knee pain in adults with osteoarthritis and meniscal tears.5 Weak muscles force your knee joint to absorb more stress with every step. Focus on rebuilding the muscles that stabilize the joint.
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Gentle exercises done consistently often improve pain, balance, and daily movement more effectively than invasive procedures.
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If stairs hurt, start with controlled sit-to-stands from a chair. Mini squats, step-ups, straight-leg raises, stationary cycling, and pool walking strengthen your legs without excessive joint pounding. Even five to 10 minutes daily creates momentum. Aim for consistency, not occasional exhaustion. The knee responds to daily repetition far more than to weekend heroics.
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Also consider blood flow restriction (BFR) training, or KAATSU. BFR uses a specialized cuff or elastic band to gently limit blood flow to a limb during light exercise. This amplifies the muscle-building effect of low-resistance movements, making it possible to gain strength without heavy lifting. Briefly limiting blood flow during light exercise tricks your muscles into responding as if they’re lifting heavy weights, triggering growth signals without the joint stress.
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Treat your progress like a scorecard. Count how many smooth sit-to-stands you complete today, then slowly increase that number over several weeks. Small positive changes retrain movement patterns and rebuild confidence in your knees.
Lower the mechanical stress crushing your joint surfaces — Every extra pound of body weight increases pressure inside your knees during walking, standing, and climbing stairs. Fat tissue isn’t passive storage; it actively releases inflammatory chemicals that travel through your bloodstream and degrade joint cartilage from the inside.
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If you carry excess weight, reducing even a modest amount changes the force moving through your knees thousands of times each day. Focus on improving metabolic health first because healthier cellular energy production improves movement tolerance, recovery, and inflammation control together.
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Center your meals around nutrient-dense whole foods with adequate protein intake to maintain muscle mass. Aim for about 0.8 grams per pound (or 1.76 grams per kilogram) of lean body mass, with one-third coming from collagen-rich sources like slow-cooked meats or bone broth.
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Avoid seed oils, which are common in ultraprocessed foods and restaurant foods, as they’re high in linoleic acid (LA) that worsens inflammatory stress and impairs mitochondrial energy production when consumed in excess. Mitochondria are the tiny power plants inside every cell. When they’re damaged by excess LA, your tissues can’t generate the energy needed to repair themselves, including cartilage and the muscles that protect your knees.
Fix injuries completely before they reshape how you move — Many chronic knee problems begin after an old injury didn’t fully heal. A minor twist, meniscus strain, or ligament injury changes how you walk, squat, and shift weight. Over time, those compensations overload other parts of the joint.
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Pain relief is not the same as healing; it’s just silence. A knee can stop hurting while continuing to deteriorate underneath. Your knee requires restored strength, alignment, stability, and mobility before normal movement patterns return. If one side feels weaker, stiffer, or unstable, your body quietly shifts force elsewhere with every step.
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Start rebuilding function with slow, controlled movement instead of jumping back into aggressive exercise too quickly. Practice single-leg balance drills, controlled step-downs, slow bodyweight squats, and gentle mobility work for your hips and ankles. Those areas strongly influence knee alignment and force distribution. Walking backward slowly on a treadmill or flat surface also helps retrain the muscles that stabilize your knee joint.
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Pay attention to simple daily clues. Uneven shoe wear, difficulty balancing on one leg, stiffness after sitting, or hesitation going downstairs often signal lingering dysfunction. Correcting those patterns early prevents years of unnecessary joint wear later.
Feed your cartilage the raw materials it actually uses — Cartilage depends heavily on collagen and connective tissue proteins for structural support. Your body also requires enough vitamins and minerals to maintain healthy joint tissue turnover.
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Bone broth, slow-cooked meats with connective tissue, and collagen supplements provide amino acids that support cartilage structure. Sulforaphane-rich vegetables like broccoli and Brussels sprouts help block enzymes that break down joint tissue. Vitamin D also matters because low levels commonly appear in people with osteoarthritis.
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Sun exposure supports vitamin D production while also improving mitochondrial energy production inside your cells. Morning sunlight helps regulate circadian rhythm and supports recovery. If your diet remained high in seed oils for years, limit harsh midday sun exposure for at least six months. LA accumulates in your skin and reacts with ultraviolet light, increasing inflammatory damage. As your tissue composition improves, you can gradually increase midday sun exposure safely.
Retrain your movement patterns with low-impact mind-body exercise — Strength matters, but so does the nervous system that coordinates your movement. Even strong muscles can’t protect a joint if the brain-body signals firing them are sluggish or imprecise. Your knee health also depends on coordination just as much as strength. Poor balance and unstable movement patterns increase joint compression and uneven force distribution.
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Tai chi and yoga improve body awareness, flexibility, coordination, and muscular control without the repetitive pounding seen in high-impact exercise. Slow controlled movement teaches your nervous system how to stabilize the joint more efficiently.
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If conventional workouts feel intimidating, start smaller. Practice standing on one leg while brushing your teeth. Walk slowly in a pool. Use gentle yoga flows that improve hip and ankle mobility along with knee control. Those simple movement patterns reduce strain across the entire chain supporting your knees.

FAQs About Common Knee Surgery That’s No Better Than Placebo

Q: What did the new 10-year knee surgery study actually find?

A: Researchers found that arthroscopic partial meniscectomy, a common surgery that trims damaged knee cartilage, didn’t improve pain, mobility, or quality of life any better than placebo surgery. Patients who underwent the real operation also showed greater osteoarthritis progression and a higher likelihood of needing additional knee surgery later.

Q: Why doesn’t removing torn cartilage solve chronic knee pain?

A: Many meniscus tears are part of normal age-related joint degeneration rather than the true source of pain. Your knee functions like an entire system involving muscles, tendons, ligaments, cartilage, and movement patterns. Removing cartilage doesn’t fix muscle weakness, poor joint mechanics, inflammation, or excess pressure inside the knee joint.

Q: What works better than surgery for long-term knee health?

A: Exercise-based approaches improve knee pain and function effectively without the long-term risks tied to surgery. Simple movements like sit-to-stands, mini squats, cycling, pool walking, step-ups, and balance drills strengthen the muscles that stabilize the joint and reduce stress on damaged areas.

Q: How does excess body weight damage my knees?

A: Every extra pound of body weight increases the force moving through your knees during walking, climbing stairs, and standing. Excess body fat also raises inflammatory signaling that speeds up cartilage breakdown. Improving metabolic health and reducing inflammatory foods lowers stress on the joint surfaces thousands of times each day.

Q: What nutrients and lifestyle habits help support cartilage repair?

A: Cartilage relies heavily on collagen-rich proteins and healthy cellular energy production. Collagen-rich foods like bone broth and slow-cooked meats provide amino acids that support connective tissue repair. Vitamin D from regular sunlight exposure and anti-inflammatory whole foods also help maintain healthier joint tissue, while avoiding seed oils reduces inflammatory stress and mitochondrial dysfunction that accelerates joint degeneration.

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★Kennedy Just Reopened a Massive Mental Health Debate

Tue, 07 Jul 2026 04:00:57 GMT

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Kennedy Just Reopened a Massive Mental Health Debate

Officials are pushing new efforts around deprescribing, informed consent, and nondrug approaches as questions surrounding antidepressant data intensify.

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Chronic Kidney Disease: A Hidden Threat to Your Heart

Dr. Joseph Mercola — Tue, 07 Jul 2026 03:33:03 GMT

STORY AT-A-GLANCE

Chronic kidney disease often develops silently for years, but even early kidney damage sharply increases your risk of heart attack, stroke, heart failure, and dangerous heart rhythm problems
Two common tests called eGFR and UACR reveal hidden kidney stress long before symptoms appear and provide an early warning sign that your cardiovascular system is already under strain
Researchers discovered that damaged kidneys release microscopic particles into the bloodstream that directly injure heart muscle cells, weaken heart contractions, and disrupt the electrical timing of the heartbeat
Chronic inflammation, fluid overload, high blood sugar, excess sodium retention and overactivation of the nervous system create a destructive cycle that damages both the kidneys and the heart simultaneously
Daily habits that improve metabolic health, including stable blood sugar, regular movement, lower intake of seed oils, restorative sleep, and healthy circulation, help reduce long-term stress on both organs before irreversible damage develops

Your kidneys do far more than filter waste. They shape your blood pressure, your circulation, your fluid balance, and even the rhythm of your heartbeat. When they start to falter, the damage rarely announces itself. There’s no chest pain, no dramatic warning sign, no clear moment when something feels wrong. Instead, kidney function slips downward year after year while you continue to feel mostly fine, which is exactly what makes chronic kidney disease so dangerous.

Here’s what most people don’t realize: when kidneys start failing, the first organ to suffer often isn’t the kidneys. It’s the heart. Long before dialysis ever enters the conversation, injured kidneys begin reshaping the cardiovascular system. Most adults can recite their cholesterol number from memory, yet very few could tell you whether their kidneys are filtering normally or already under stress.

The tests that would reveal the answer are inexpensive, widely available, and often already sitting inside routine bloodwork, but the results rarely get explained in a way that connects them to heart attack, stroke, or heart failure risk. Recent research has uncovered something startling: damaged kidneys actively release particles into the bloodstream that travel to the heart and injure cardiac muscle cells directly.

The kidneys aren’t just failing alongside the heart; they’re actively damaging it. Understanding this connection gives you something powerful: the chance to intervene while the damage is still reversible.

2 Simple Kidney Tests Reveal Hidden Heart Danger

Harvard Health Publishing examined the growing evidence linking chronic kidney disease to cardiovascular disease and explained why doctors now view the kidneys and heart as deeply connected systems rather than separate organs.¹ Dr. John Ostrominski from Harvard-affiliated Brigham and Women’s Hospital stressed that chronic kidney disease often goes unnoticed even though it affects about 1 in 7 U.S. adults.

Early chronic kidney disease often develops silently because the kidneys compensate for damage over long periods. You might feel normal while kidney function steadily declines. Once symptoms finally appear, they often include swelling in the legs or ankles, fatigue, trouble breathing, exercise intolerance, and changes in urination. By that stage, substantial damage has already occurred. This is exactly why early testing changes outcomes.

You gain a chance to slow progression before the disease starts affecting circulation, fluid balance, and heart function.

Two screening tests give an early warning long before a medical emergency develops — The first test is estimated glomerular filtration rate, called eGFR, which measures how effectively your kidneys filter waste from your blood. A score of 90 or higher is considered normal, while values below 60 signal impaired kidney function.
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The second test is the urine albumin-to-creatinine ratio, called UACR, which checks whether protein leaks into your urine. Healthy kidneys keep protein inside your bloodstream. Once albumin starts leaking into urine, it signals structural kidney damage.
Protein leakage in urine strongly predicts future heart problems — Ostrominski explained that elevated UACR levels reveal cardiovascular strain and future heart risk. According to the report, both low eGFR scores and high UACR values are strongly linked with greater risk of heart attacks, strokes, heart failure, and atrial fibrillation, which is an irregular heartbeat rhythm. That means a simple urine test gives you an early look at whether your blood vessels and circulation are already under stress.
High blood pressure and diabetes damage the kidneys through direct physical strain — Elevated blood pressure forces the body to hold onto more sodium and fluid, increasing pressure inside the tiny blood vessels within the kidneys. Over time, this chronic stress damages the filtration system itself.
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Diabetes creates a second layer of injury because prolonged exposure to high blood sugar thickens and damages microscopic kidney blood vessels called capillaries. Once those delicate filters stiffen and narrow, waste removal slows and inflammation rises.
The kidneys and heart create a feedback loop that worsens both diseases together — Healthy kidneys help regulate blood pressure, fluid levels, and mineral balance, all of which directly affect heart function. When kidney function declines, fluid builds up more easily, blood pressure rises further, and the heart works harder to move blood throughout your body.
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That extra strain increases the likelihood of heart enlargement, rhythm disturbances, and heart failure. At the same time, weakened heart function reduces blood flow back to the kidneys, which accelerates additional kidney damage.
Metabolic dysfunction sits at the center of this entire process — Cardiovascular-kidney-metabolic syndrome, often shortened to CKM syndrome, links obesity, diabetes, high blood pressure, kidney disease, and cardiovascular disease together because they share the same underlying metabolic drivers.2 Excess body fat, poor blood sugar regulation, chronic inflammation, and impaired energy production damage multiple organ systems simultaneously.

Tiny Kidney Particles Damage the Heart Directly

Research published in Circulation investigated why so many people with chronic kidney disease develop heart failure even when doctors aggressively manage blood pressure, diabetes, and cholesterol.3 Researchers studied blood samples from 35 patients with moderate to advanced kidney disease and compared them to healthy controls.

Instead of focusing only on conventional risk factors, the team examined microscopic particles called extracellular vesicles, tiny membrane-covered packages released by cells into the bloodstream.

Think of extracellular vesicles as microscopic mail packages sealed in membrane envelopes. Cells normally use them to send routine messages to other cells. But when kidneys are damaged, they start mailing toxic cargo — genetic instructions and stress signals — that travel through the bloodstream and get opened by heart muscle cells, which then begin shutting down.

These extracellular vesicles carried genetic material and stress signals from injured kidney tissue directly into circulation. Once these particles reached heart muscle cells, they triggered cell death and interfered with the heart’s ability to contract normally. Researchers repeatedly described the kidney-derived vesicles as “cardiotoxic,” meaning directly harmful to heart tissue itself. That changes the entire understanding of kidney disease because the kidneys actively send damaging signals throughout the body.

The study found direct evidence of heart muscle injury — Researchers exposed healthy heart muscle cells to extracellular vesicles taken from patients with kidney disease. Those cells rapidly showed increased apoptosis, which is programmed cell death. The heart cells began shutting themselves down after exposure to these kidney-derived particles.
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Healthy control vesicles didn’t create the same damage. That confirmed the harmful effect came specifically from the diseased kidneys rather than from normal circulation.
Heart contraction strength also weakened significantly — The study examined how well heart muscle cells squeezed and relaxed after exposure to kidney-derived vesicles. Researchers found impaired contractility, meaning the heart cells struggled to pump efficiently.
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Calcium handling inside the cells also became disrupted. Calcium acts like an electrical timing signal that tells heart muscle when to contract and relax. Once calcium balance breaks down, the heartbeat loses efficiency and stability. Over time, this creates the conditions for heart failure and rhythm disturbances.
The harmful particles carried specific microRNAs linked to tissue damage — MicroRNAs are tiny genetic regulators that switch certain cellular programs on or off. They work like dimmer switches on your genes. Each one can turn down specific cellular activities, including the genes that tell heart muscle how to contract properly. When the wrong microRNAs flood into heart cells, they essentially dim the lights on the machinery that keeps your heartbeat strong.
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The researchers identified distinct microRNAs inside the extracellular vesicles that directly interfered with genes responsible for healthy heart contraction. When researchers inserted these microRNAs into laboratory-grown human heart cells, the cells showed the same toxic effects seen earlier in the study. This gave scientists a clearer explanation for how kidney disease physically alters heart tissue at the molecular level.
The kidney itself appeared to be the source of these toxic signals — Researchers traced the microRNAs back to injured kidney tissue rather than the liver, heart, or immune cells. The strongest signals came from specific kidney cells damaged during chronic disease progression.
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That finding reinforced the idea that chronic kidney disease acts as an active driver of heart failure instead of simply existing alongside it. The more severe the kidney dysfunction became, the stronger the cardiovascular injury markers appeared.
Removing these harmful particles improved heart function in early animal research — Researchers used mice with chronic kidney disease and pharmacologically reduced circulating extracellular vesicles. Heart function improved significantly after the vesicles were depleted. Researchers also observed improvement in heart failure progression. This suggests that reducing the biological stress signals released by damaged kidneys directly lowers strain on the heart.
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Researchers described these kidney-derived microRNAs as promising biomarkers for earlier disease detection and future therapies. These microscopic signals could eventually help identify cardiovascular damage years before a major cardiac event occurs.
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Tracking kidney function, improving metabolic health, lowering inflammation, and reducing long-term stress on circulation become much more meaningful once you understand that silent kidney injury physically reshapes heart tissue over time.

Kidney Disease Changes Your Entire Cardiovascular System

A 2023 review published in Cardiovascular Research by the European Renal and Cardiovascular Medicine Working Group examined the growing cardiovascular burden inside chronic kidney disease across all stages.4 Researchers explained that cardiovascular complications become the leading cause of death in people with advanced kidney disease and regular dialysis treatment.

The review also highlighted a striking reality: many people with progressive kidney disease die from heart complications before their kidneys fail completely. That means protecting your cardiovascular system early becomes just as important as preserving kidney function.

Cardiovascular danger rises step-by-step as kidney function declines — Researchers cited a meta-analysis involving more than 1 million individuals showing that death risk climbed sharply as kidney filtration rates worsened.5 Compared to a healthy reference filtration rate, mortality risk increased 18% at moderate kidney impairment, 57% at more advanced decline, and more than tripled in severe kidney dysfunction. Protein leakage into urine independently raised cardiovascular death risk too.
Heart enlargement begins surprisingly early in kidney disease — The review discussed left ventricular hypertrophy, often shortened to LVH, which means the main pumping chamber of the heart becomes enlarged and thickened from chronic strain. Researchers found LVH already appears in earlier kidney disease stages and affects roughly 70% to 80% of patients with kidney failure on dialysis.
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An enlarged heart muscle becomes stiffer, less efficient, and more vulnerable to heart failure and rhythm problems over time.
Fluid overload places continuous stress on the heart and blood vessels — Damaged kidneys struggle to remove excess sodium and water efficiently. As fluid accumulates, blood pressure rises and the heart must pump harder against greater resistance. Researchers emphasized that volume overload alone doubles death risk in dialysis patients, even independent of other cardiovascular risk factors.
Inflammation emerged as one of the strongest hidden drivers of damage — The review explained that chronic low-grade inflammation becomes almost universal in advanced kidney disease. Oxidative stress, gut microbiome disruption, metabolic acidosis, and retained waste compounds called uremic toxins all fuel inflammatory signaling. Uremic toxins are waste products the kidneys normally remove.
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Once these compounds accumulate, they damage blood vessels, impair nitric oxide production, and increase oxidative injury throughout the cardiovascular system. Researchers noted that inflammation predicted cardiovascular death more strongly than LDL cholesterol in some kidney disease populations.
The nervous system also becomes trapped in a chronic stress state — Researchers found sympathetic nervous system activity rises dramatically in kidney disease patients and becomes extremely elevated during dialysis treatment. Your sympathetic nervous system controls your “fight-or-flight” response.
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Once chronically activated, it raises heart rate, constricts blood vessels, and increases blood pressure around the clock. The review linked this excessive sympathetic activation to higher rates of heart enlargement, arrhythmias, and cardiovascular death.
Anemia further weakens oxygen delivery and strains the heart — Failing kidneys produce less of a hormone that stimulates red blood cell production. As anemia develops, oxygen delivery throughout the body drops. To compensate, the heart works harder and pumps faster, gradually increasing workload and accelerating structural heart changes. Researchers linked anemia directly to left ventricular hypertrophy and cardiovascular hospitalization risk in kidney disease patients.
Sedentary behavior sharply increased cardiovascular risk — The review found limited physical activity was extremely common in both kidney disease and dialysis populations because of fatigue, illness burden, and reduced exercise tolerance.
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Yet researchers consistently observed that higher physical activity levels strongly associated with lower cardiovascular mortality and fewer hospitalizations. One walking-based intervention reduced hospitalization risk by 29% over 36 months in dialysis patients.6 Movement improves circulation, blood pressure regulation, metabolic health, and mitochondrial energy production all at once.

Lower the Stress Load on Your Kidneys and Heart

Your kidneys and heart respond to the environment you create every single day. Years of metabolic dysfunction, high blood pressure, excess blood sugar, inflammatory foods, poor circulation, and chronic stress gradually damage the tiny blood vessels that keep both organs alive.

Once kidney tissue becomes injured, the research showed those damaged kidneys begin sending harmful signals directly into the bloodstream that weaken heart function too. That means the earlier you reduce the stress load on your body, the better your chances of slowing this cycle before it gains momentum.

Track your kidney numbers like a personal health score — Many people track weight or cholesterol but ignore the numbers that reveal silent kidney stress. It’s important to keep track of your eGFR and UACR values the same way you do your blood pressure. Those two markers often change years before symptoms appear.
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Create a simple habit tracker on your phone or calendar and record your blood pressure and kidney labs whenever you get bloodwork done. Watching those numbers improve gives you direct feedback that your daily habits are reducing strain on your circulation and filtration system instead of damaging them further.
Lower blood sugar spikes before they injure tiny blood vessels — Chronic high blood sugar acts like fine sandpaper on the microscopic blood vessels inside your kidneys, gradually scarring the delicate filters they depend on. That same damage weakens circulation throughout your entire cardiovascular system. Your body runs far more efficiently when blood sugar stays stable.
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Build meals around high-quality protein, collagen-rich foods, fruit, root vegetables, and other healthy carbohydrates instead of ultraprocessed foods, like seed oils, and sugary snacks.
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If your digestion is compromised, with regular bloating or irregular bowel movements, begin with easier-to-digest carb sources like whole fruit and white rice before introducing harder-to-digest starches. Most adults need about 250 grams of carbohydrates per day from whole-food sources. This steady fuel supply turns your mitochondria back on and keeps your metabolism resilient.
Remove the inflammatory oils that damage cellular energy production — Seed oils, including soybean, corn, sunflower, safflower, and canola oils, are high in the polyunsaturated fat linoleic acid (LA), which places enormous oxidative stress on blood vessels, mitochondria, and kidney tissue when consumed in excess. Restaurant foods, packaged snacks, salad dressings, sauces, and processed convenience meals flood your body with these unstable fats that accumulate in tissues over time.
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Replace those oils with grass fed butter, ghee, or tallow. If you eat animal protein, prioritize lower-PUFA ruminant meats instead of conventionally raised chicken or pork. Small daily swaps create a measurable reduction in inflammatory stress over months and years.
Use movement to improve circulation and metabolic function every day — Both organs run on the same fuel: steady, healthy blood flow. Every hour you spend sitting, that flow slows — and both kidneys and heart pay the price. Focus less on exhausting workouts and more on daily movement consistency because your body responds best to repetition.
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Start with 20 minutes of walking daily and build toward an hour, along with resistance training twice a week. Also work in regular daily activity, like yardwork and frequent standing instead of sitting.
Restore your circadian rhythm to reduce chronic stress signals — Poor sleep and artificial light exposure raise stress hormones, worsen blood sugar regulation, and increase blood pressure strain on your kidneys and heart. Morning sunlight exposure helps reset your body clock and improves cellular energy production. I recommend getting outside shortly after sunrise and again near solar noon when possible.
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However, if your diet has been high in seed oils, avoid peak sun exposure (10 a.m. to 4 p.m.) until you have removed them for at least six months, as excess LA stored in tissues increases susceptibility to sunburn and oxidative stress. At night, lower blue light exposure from phones, tablets, and televisions to support melatonin production inside your mitochondria.

FAQs About Kidney Disease and Your Heart

Q: How do I know if my kidneys are affecting my heart?

A: Most people don’t feel symptoms early on. Hidden kidney stress often shows up first through abnormal eGFR and UACR test results, which reveal declining filtration function and protein leakage into urine. Research showed these changes strongly predict higher risk of heart attack, stroke, heart failure, and irregular heartbeat rhythms long before severe symptoms appear.

Q: What causes chronic kidney disease to damage the heart?

A: Damaged kidneys increase fluid retention, raise blood pressure, disrupt mineral balance, and trigger chronic inflammation. Research also found injured kidneys release microscopic particles into the bloodstream that directly damage heart muscle cells and weaken your heart’s ability to contract efficiently. Over time, this creates a feedback loop where kidney dysfunction and heart strain worsen each other simultaneously.

Q: What are the early warning signs of chronic kidney disease?

A: Early chronic kidney disease often stays silent for years. As damage progresses, common symptoms include swelling in the ankles or legs, fatigue, shortness of breath, exercise intolerance, muscle cramps, fluid retention, and changes in urination patterns. Many people discover kidney dysfunction only after routine blood or urine testing.

Q: What lifestyle changes help protect both the kidneys and the heart?

A: The most effective strategies focus on reducing the root causes driving metabolic and vascular stress. Stable blood sugar, lower blood pressure, regular movement, restorative sleep, and reducing inflammatory processed foods all lower strain on both organs. Daily walking, resistance training, whole-food carbohydrates, adequate protein, and avoiding seed oils help improve circulation, mitochondrial energy production, and long-term cardiovascular resilience.

Q: Why does inflammation matter so much in kidney disease?

A: Inflammation damages blood vessels, stiffens arteries, and increases oxidative stress throughout the cardiovascular system. Researchers found inflammation becomes extremely common as kidney function declines because waste compounds, called uremic toxins, begin accumulating in the bloodstream. Chronic inflammation also increases sympathetic nervous system activity, raises blood pressure, and accelerates heart enlargement and heart failure risk.

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Harvard Health Publishing March 26, 2026

National Kidney Foundation February 26, 2024

Circulation November 3, 2025, Volume 153, Number 2

Cardiovascular Research 2023 May 30;119(11):2017–2032

Lancet. 2010 May 17;375(9731):2073–2081

Clin J Am Soc Nephrol. 2022 Aug;17(8):1176–1182

★Are You Wasting Your Vitamin D?

Mon, 06 Jul 2026 04:01:04 GMT

★ TOP STORY

Are You Wasting Your Vitamin D?

Most people focus on how much they take while missing the hidden step that determines whether their body can actually use it.

Last Chance - Celebrate the Fourth of July with 20% Off Sitewide

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The Hidden Poison Turning Your Blood Against You

You won’t see it, smell it, or taste it - but it’s inside nearly everyone. Researchers have traced a silent trigger that makes blood clot out of nowhere, even in the healthy. It starts in your gut, spreads through your veins, and ends in the headlines no one connects.

Why the Temperature of Your Drinking Water Matters

Most people focus on how much water to drink, but temperature matters, too - and the effects on your health go deeper than you’d expect. Do you know what suits you best?

🔥 HOT

Breaking News: What You Need to Know

Up-to-date info on the latest health-related news happening in the world.

Nourish and Balance Your Gut Microbiome for a Healthier You

Your gut health is a big indicator to your overall health. It impacts your heart and brain health as well as digestive and immune systems. You can work to support a healthy gut by balancing the delicate microbiomes found in your gut with probiotics. Our potent Complete Probiotics formula offers 10 strains of beneficial bacteria to balance those microbiomes and promote overall health.

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Study Links Microplastics in Arterial Plaque to Fourfold Increase in Stroke Risk

Dr. Joseph Mercola — Mon, 06 Jul 2026 03:34:05 GMT

STORY AT-A-GLANCE

Human brain tissue contains far higher concentrations of microplastics than liver or kidney tissue, and researchers found the burden increased sharply between 2016 and 2024
Researchers discovered that patients with microplastics embedded inside carotid artery plaque faced a 4.53-fold higher risk of heart attack, stroke, or death compared to patients without detectable plastics in plaque
Studies found plastic particles inside blood clots and diseased artery walls, while animal experiments showed nanosized plastics disrupting blood flow and worsening brain injury after stroke
Ultraprocessed foods, bottled beverages, plastic packaging, contaminated water, and airborne particles expose your body to microplastics daily, allowing the burden to build gradually inside tissues and blood vessels
Reducing ultraprocessed foods, avoiding heated plastic containers, filtering drinking water, and improving metabolic and vascular health help lower ongoing exposure and support your body’s defenses against chronic inflammatory damage

Right now, as you read this sentence, microscopic shards of plastic are likely lodged inside your brain tissue, your arteries, and the blood circulating to every organ in your body. A decade ago, this claim would have sounded like science fiction. Today, it’s the conclusion of peer-reviewed research.

Researchers reported in Brain Health that human brain tissue contains far higher microplastic concentrations than liver or kidney tissue, and the burden appears to be climbing year over year.¹ Even more alarming, people diagnosed with dementia carried the heaviest burden of all, a finding that shouldn’t be ignored because your brain controls every thought, memory, emotion, and movement you experience every day.

Meanwhile, stroke remains the second leading cause of death worldwide, according to researchers writing in the Journal of Xenobiotics.2 A stroke occurs when blood flow to part of your brain becomes blocked, meaning brain cells lose oxygen and begin to die. The warning signs — sudden weakness, facial drooping, slurred speech, dizziness, confusion, and severe headache — are the body’s signal that circulation has failed somewhere upstream.

Left untreated, stroke leads to permanent disability, cognitive decline, or death. And a separate line of research shows that when these particles turn up inside the arteries feeding the brain, the consequences for cardiovascular survival are striking.3 Exposure doesn’t come from one isolated source. Ultraprocessed foods, bottled drinks, food packaging, airborne particles, and contaminated water expose your body to microplastics daily.

Researchers have pulled plastic particles straight out of diseased artery walls and stroke-related blood clots, and animal studies suggest that nanoplastics — the smallest fragments, measured in billionths of a meter — slip past the blood-brain barrier into the brain itself, disrupting circulation and fueling inflammation from within.

Think of it this way: if a microplastic fragment were the size of a grain of sand, a nanoplastic would be smaller than a speck of dust floating in a sunbeam — small enough to slip between the cells that normally guard your brain like a security checkpoint.

Your Brain Now Stores More Plastic Than Researchers Expected

A Brain Health perspective highlighted alarming findings from prior human brain research.4 Brain tissue carried microplastic concentrations seven to 30 times higher than liver or kidney tissue — a staggering disparity, given that the brain is supposedly protected by one of the body’s most selective biological barriers.

The perspective examined how microplastics and nanoplastics accumulate throughout the body, including inside blood, placenta, and artery plaque, and argued that the growing burden now represents a serious brain health concern rather than an isolated environmental issue.

The burden increased sharply over time and appeared highest in dementia cases — The paper highlighted findings showing human brain microplastic burden rose roughly 50% between 2016 and 2024. Researchers also noted that donors diagnosed with dementia carried the heaviest burden.
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Dementia involves progressive memory loss, confusion, impaired judgment, and declining ability to function independently. While the paper didn’t claim plastics directly caused dementia, the association raised major concern about long-term neurological injury.
The smallest particles create the greatest danger — The paper explained that nanoscale plastics, meaning particles measured at extremely tiny sizes, cross biological barriers far more easily than larger fragments. Authors described the issue as “more nano than micro” because the particles of greatest concern are small enough to accumulate inside sensitive tissues.
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Animal experiments reviewed in the paper showed polystyrene nanoparticles crossing the blood-brain barrier within two hours after oral exposure, while larger particles failed to cross. The blood-brain barrier is a tightly woven layer of cells lining the blood vessels in your brain; it’s designed to keep toxins, pathogens, and foreign particles out while letting nutrients in.
Ultraprocessed foods emerged as one of the largest exposure routes — Researchers described industrial food production as a major pathway that continuously exposes people to microplastics because food repeatedly contacts plastic packaging, machinery, and storage materials during manufacturing.
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The paper also reviewed evidence linking higher ultraprocessed food intake with depression, anxiety, cognitive decline, stroke, and dementia. Importantly, authors argued that food processing itself predicts brain health risks independently of traditional nutrition scoring systems.
Several biological damage pathways appeared repeatedly throughout the research — The paper highlighted oxidative stress, chronic inflammation, endocrine disruption, and gut microbiome injury as key mechanisms tied to microplastic exposure. Oxidative stress refers to unstable molecules damaging cells faster than the body repairs them.
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Chronic inflammation keeps your immune system stuck in a prolonged defensive state that weakens circulation and tissue repair. Researchers also explained that disruption of gut bacteria alters signaling between the digestive system and the brain, allowing inflammatory compounds to circulate more freely throughout the body.
Researchers framed this as a “Brain Health emergency” — That wording reflected the convergence of several disturbing trends happening simultaneously: rising tissue burden, increasing exposure through modern food systems, evidence of brain penetration by nanosized particles, and links to serious neurological outcomes.

Plastic Exposure Linked to Blocked Blood Flow and Worsening Stroke Injury

If plastics are accumulating in brain tissue, the next question becomes: what are they doing to the blood vessels that keep that brain alive? For a systematic review published in the Journal of Xenobiotics, researchers analyzed five studies involving 287 patients alongside multiple animal experiments to investigate how micro- and nanoplastics affect blood vessels and brain circulation.5

Unlike the first paper, which focused heavily on accumulation inside tissues, this review focused on what happens after these particles interact with blood flow, artery walls, and clot formation.

Researchers detected plastics inside actual stroke-related material — Human studies identified microplastics inside blood clots, called thrombi, collected from patients with cardiovascular disease. These clots block circulation and increase the risk of tissue death when oxygen supply stops.
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Researchers detected particles such as polyethylene, polystyrene, and polyvinyl chloride directly inside these structures. One study found microplastics present in 80% of analyzed thrombi, while higher plastic concentrations correlated with elevated D-dimer levels, a blood marker tied to dangerous clotting activity.
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D-dimer is a fragment released when blood clots break down; elevated levels signal that your body is actively forming and dissolving clots, a warning sign of cardiovascular trouble.
The review highlighted how widespread daily exposure has become — Researchers reported that 87% of tap water samples tested across 34 countries contained microplastics, most commonly polyester fragments smaller than 50 micrometers. Exposure also came from seafood, salt, sugar, vegetables, beverages, and airborne particles. Instead of one isolated source, the paper described a nonstop, multi-pathway exposure pattern occurring daily through food, water, and air.
Animal experiments revealed circulation problems and worsening brain injury after exposure — In one mouse study reviewed in the paper, immune cells swallowed nanosized plastic particles while moving through the bloodstream. Those overloaded cells then clogged tiny brain capillaries responsible for delivering oxygen and nutrients.
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Researchers observed reduced cerebral blood flow shortly afterward. Separate rat experiments showed that oral nanoplastic exposure before induced stroke injury caused more severe inflammation, greater hippocampal neuron death, and worse neurological performance afterward. The hippocampus is the brain region responsible for forming new memories and is among the first areas damaged in Alzheimer’s disease.
The review framed microplastics as a measurable vascular risk factor tied to long-term exposure — Researchers emphasized that higher microplastic burden consistently aligned with worse vascular outcomes, greater inflammation, and more neurological injury.
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At the same time, the paper acknowledged that plastic burden might also reflect cumulative environmental stress and disease severity rather than acting as the sole direct cause of stroke. Even so, researchers repeatedly described exposure as modifiable, meaning your food choices, water sources, and environmental exposures influence how much of this burden accumulates over time.

Researchers Found Jagged Plastic Particles Buried Inside Artery Plaque

For a major human study published in the New England Journal of Medicine, researchers followed 257 patients who underwent a surgical procedure used to remove dangerous plaque buildup from neck arteries supplying blood to the brain.6 The study tracked patients for nearly 34 months to determine whether microplastics and nanoplastics inside plaque correlated with future cardiovascular events such as stroke, heart attack, or death.

Researchers found polyethylene in 58.4% of plaque samples, while 12.1% also contained polyvinyl chloride, or PVC.

Patients with plastic-containing plaque faced dramatically worse outcomes — Among patients without detectable plastics in plaque, 7.5% experienced a major cardiovascular event during follow-up. In contrast, 20% of patients with contaminated plaque suffered heart attack, stroke, or death.
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Even after adjusting for conventional cardiovascular risks such as diabetes, smoking, and high blood pressure, researchers still found a 4.53-fold higher risk among patients whose plaque contained plastics.
Researchers physically identified jagged plastic fragments buried inside diseased arteries — Electron microscopy showed sharp-edged foreign particles lodged inside plaque macrophages, which are immune cells that normally clear damaged tissue and debris. Instead, these immune cells appeared loaded with microscopic plastic fragments.
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Many particles measured under 1 micrometer and were likely nanosized, meaning they were small enough to penetrate deeply into tissue and remain trapped inside artery walls.
Inflammatory activity increased alongside higher plastic burden — Plaque containing higher polyethylene levels showed stronger inflammatory signaling and greater immune-cell infiltration. Arteries containing plastics were more irritated, inflamed, and biologically unstable than cleaner plaque samples.
The study showed that the amount of plastic present remained significantly associated with cardiovascular risk — Researchers found that people with higher amounts of microplastics inside their artery plaque faced greater cardiovascular risk. Additional testing also confirmed that the particles came from manufactured petroleum-based plastics rather than normal human tissue or natural biological material.
Researchers connected the findings to widespread environmental exposure — Polyethylene and PVC commonly appear in food packaging, bottled beverages, water pipes, cosmetics containers, and household plastics.
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The paper also discussed contamination through drinking water, airborne particulate matter, and consumer products, while noting that identifying the exact sources contributing to human plaque accumulation remains difficult because these materials are now widely distributed throughout modern environments.

How to Lower Your Daily Plastic Burden Before It Accumulates Further

Your body faces nonstop exposure to microscopic plastic particles through food, water, air, and modern food packaging. The question isn’t whether you’re being exposed — it’s how much, and what you can do to slow the accumulation. That reality is exactly why I wrote my book, “Microplastics Cure,” available for preorder now.

I break down how these invisible particles accumulate inside your body, why they become so difficult to clear once they lodge in tissues and blood vessels, and how everyday habits either increase or lower that burden over time.

I also outline practical, science-based strategies that help reduce ongoing exposure while supporting your body’s natural protective systems. The goal is to give you a clear understanding of what drives this problem and what actions help limit the damage before the burden grows further.

It’s important to focus on reducing the incoming burden while supporting circulation, mitochondrial energy production, and the protective barriers inside your gut and brain. Small repeated changes matter more than one dramatic overhaul because exposure happens repeatedly throughout the day.

Replace ultraprocessed foods with simple whole foods — Ultraprocessed foods act like a delivery vehicle for microplastics because industrial packaging, heating, and mechanical processing expose food to repeated plastic contact. The solution? Make your kitchen the first line of defense. Focus meals around minimally processed foods while avoiding ultraprocessed varieties, including seed oils.
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Excessive linoleic acid (LA) in seed oils alters cellular membranes and interferes with mitochondrial function. So, if your pantry is full of chips, packaged grain products, frozen meals, and restaurant food cooked in soybean, corn, canola, or sunflower oil, start there. Replace those foods with simple meals cooked in grass fed butter, ghee, or tallow.
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Your goal is to lower LA intake below 5 grams a day, and closer to 2 grams if possible. The Pax health platform, which is coming very soon, will include Food Buddy and the Seed Oil Sleuth. This is a special feature designed to help identify hidden sources of LA in your diet as well as estimate the total daily intake.
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If you rely heavily on packaged convenience foods, start with one replacement at a time instead of changing everything overnight. Swap packaged snack foods for whole fruit. Replace frozen meals with simple homemade leftovers stored in glass containers. Every reduction lowers repeated exposure.
Stop heating food in plastic containers — Heat increases the transfer of plastic particles and chemical additives into food and drinks. That includes microwave containers, plastic takeout packaging, and disposable coffee lids. I recommend switching to glass, stainless steel, or ceramic whenever possible.
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If you drink hot beverages in plastic daily, that habit alone becomes an important exposure source. Use insulated stainless-steel bottles instead of plastic-lined cups. Store leftovers in glass containers. Simple environmental changes reduce daily intake without requiring complicated routines.
Filter your water and reduce bottled drink use — Microplastic water contamination has become widespread across multiple countries. If you drink bottled water constantly, you repeatedly expose yourself to additional plastic fragments from packaging and storage conditions. A high-quality water filtration system paired with reusable glass or stainless-steel containers lowers that burden substantially.
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Turn this into a measurable habit. Track how many bottled beverages you avoid each week. Watching the number rise builds momentum and helps you stay consistent because you see direct progress instead of relying on motivation alone.
Support your circulation and vascular health every day — Microplastic particles accumulate inside artery plaque and interfere with blood flow. Your blood vessels become more resilient when circulation improves and inflammation drops. Daily walking, strength training, and regular movement help maintain healthier blood flow and metabolic function.
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Also prioritize mitochondrial energy production because damaged mitochondria worsen inflammatory stress. Morning sunlight exposure helps support circadian rhythm function and nitric oxide production, both of which aid vascular health. If your LA intake remains high from seed oils and restaurant foods, this is another reason why reducing those oils becomes important, as they worsen mitochondrial and vascular dysfunction.
Protect your gut barrier before inflammatory toxins spread further — If your gut barrier weakens, inflammatory compounds move more easily into circulation. Focus on rebuilding metabolic resilience through food quality, stable blood sugar, and improved cellular energy production. If your digestion is already struggling — bloating, post-meal fatigue, unpredictable bowel habits — loading up on fiber is likely to make things worse before they get better.
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The goal of this rebuilding process is to help your gut bacteria produce butyrate, a short-chain fatty acid that serves as the primary fuel source for the cells lining your colon. Without enough butyrate, those cells weaken and your gut barrier becomes more permeable. But your bacteria can only make butyrate when they have the right raw materials, and that means reintroducing fiber in a sequence your gut can actually handle.
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Start with easy-to-digest foods such as whole fruit and white rice, so your body gets the glucose it needs for cellular energy. Once your digestion settles, add fiber slowly: root vegetables first, then non-starchy vegetables, then starchier plants like squash or sweet potatoes. Later, if you tolerate them well, add beans, legumes, and minimally processed whole grains.

FAQs About Microplastics and Stroke Risk

Q: How are microplastics reaching your brain and blood vessels?

A: Researchers found that microplastics and nanoplastics enter your body through food, water, air, and everyday consumer products. Once inside, the smallest particles move through biological barriers and accumulate in tissues including the brain, artery plaque, blood clots, and organs. Ultraprocessed foods, bottled drinks, plastic packaging, and contaminated water all contribute to this ongoing exposure.

Q: Why are scientists concerned about microplastics inside the brain?

A: Research highlighted in Brain Health found that human brain tissue contained far higher concentrations of microplastics than liver or kidney tissue. The burden also increased significantly between 2016 and 2024, and people diagnosed with dementia carried the heaviest concentrations. Researchers linked this buildup to chronic inflammation, oxidative stress, gut microbiome disruption, and neurological decline.

Q: What did researchers discover about microplastics and stroke risk?

A: Studies reviewed in the Journal of Xenobiotics found plastic particles inside stroke-related blood clots and showed that nanoplastics interfered with blood flow inside the brain. Animal experiments also showed that exposure worsened inflammation, reduced circulation, and increased neurological damage after stroke injury.

Q: Which study found the strongest connection between plastics and cardiovascular danger?

A: A 2024 New England Journal of Medicine study found that patients with microplastics embedded inside carotid artery plaque faced a 4.53-fold higher risk of heart attack, stroke, or death compared to patients without detectable plastics in plaque.7 Researchers also physically identified jagged plastic fragments buried inside inflamed artery walls.

Q: What practical steps help lower my daily microplastic exposure?

A: The most effective strategies focus on reducing incoming exposure. That includes eating fewer ultraprocessed foods, avoiding heating food in plastic containers, filtering drinking water, reducing bottled beverage use, and storing food in glass or stainless steel instead of plastic. Supporting gut health, circulation, and cellular energy production also helps strengthen your body’s protective systems against chronic inflammatory stress.

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Brain Health May 5, 2026

Journal of Xenobiotics 2026 Feb 14;16(1):34

The New England Journal of Medicine March 6, 2024

Brain Health May 5, 2026

Journal of Xenobiotics 2026 Feb 14;16(1):34

The New England Journal of Medicine March 6, 2024

★Could This Daily Habit Be Canceling Your Results?

Sun, 05 Jul 2026 04:00:28 GMT

★ TOP STORY

Could This Daily Habit Be Canceling Your Results?

Scientists discovered that training outside your body’s natural rhythm may blunt progress, even when the workout itself stays exactly the same.

Celebrate the Fourth of July with 20% Off Sitewide - Limited Time

This is the perfect time to refresh your wellness routine with trusted essentials designed to support your everyday lifestyle. Whether you’re stocking up on favorites or exploring something new, you’ll find premium products crafted with quality in mind. Don’t wait too long - this limited-time Fourth of July event won’t last forever. Shop now before it ends.

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A humble kitchen staple, bay leaves do more than add flavor to your foods - they also help lower blood sugar, improve cholesterol levels, and protect your organs. Here are easy ways to add them to your daily routine.

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Up-to-date info on the latest health-related news happening in the world.

Nourish and Balance Your Gut Microbiome for a Healthier You

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These products are not intended to diagnose, treat, cure, or prevent any disease.

Reversing the Cause of Bunions Through Gait Retraining

Dr. Joseph Mercola — Sun, 05 Jul 2026 03:33:29 GMT

STORY AT-A-GLANCE

Bunions often develop from years of dysfunctional walking mechanics, especially heel-strike walking that repeatedly pushes the big toe out of alignment during every step
Forefoot gait retraining helps reactivate dormant foot muscles that stabilize the arch and big toe, improving balance, push-off strength, and walking stability over time
Beginners commonly walk slower for four to eight weeks during retraining because the body recruits weak muscles and relearns movement patterns that cushioned shoes suppressed for years
Combining daytime gait correction with nighttime bunion splints creates a “ratchet effect” that gradually reduces structural resistance and reinforces healthier toe alignment
Barefoot sock shoes, sand walking, and silent footsteps provide simple daily feedback that helps retrain your gait and turn ordinary walking into long-term corrective therapy

If you’ve watched a parent’s foot slowly twist over the decades — the bump growing, the shoes getting wider, the limp setting in — you already know bunions are not just a cosmetic problem. They affect roughly 1 in 3 adults, and they get worse with every passing year unless something changes. Most people know them as the painful bump that forms at the base of the big toe, but hallux valgus, the medical term for bunions, is far more than a cosmetic issue.

As the big toe drifts sideways, balance worsens, push-off strength declines, and walking becomes less stable. Left untreated, bunions contribute to chronic pain, reduced mobility, altered posture, and a much higher fall risk later in life. For decades, podiatric medicine has pointed to narrow shoes and genetics as the primary culprits, while treatments have leaned heavily on orthotics, toe spacers, or surgery.

The deformity isn't built by your shoes — it's built by the steps you take inside them every day. Footwear sets the stage; your gait does the damage. The way you move, repeated tens of thousands of times each week, reshapes the joint over years.

If a bunion is the product of a movement pattern, then surgery without addressing that pattern leaves the underlying cause intact. But the same logic cuts the other direction, too. The mechanics that created the bunion can be unlearned, and the muscles that should have been protecting the toe all along can be reawakened. Once you understand how force travels through your foot during walking, the entire problem starts to look very different, and far more reversible than most people are told.

Your Foot Already Knows How to Walk Correctly

Most people lose healthy feet because modern gait patterns changed the way force moves through the body. This includes heel-strike walking, meaning your heel crashes into the ground first during each step. That impact then travels upward through your ankle, knee, hip, and spine instead of being absorbed smoothly by muscles and tendons. The average person repeats this movement thousands of times every day without realizing that each step reinforces the same damaging pattern.

Bunions develop from repeated mechanical stress — Conventional podiatry often treats bunions as genetic or shoe-related problems, but movement itself is often the issue. The argument is easy to understand once you picture your foot as a lever. During heel-strike walking, force rolls along the outer edge of your foot before collapsing inward toward your big toe.
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That repeated inward collapse pushes your toe sideways year after year. Instead of the big toe acting like a stable anchor during push-off — the moment in each step when your big toe presses into the ground and propels you forward — it becomes twisted and unstable. The more unstable the toe becomes, the less your foot uses it properly during walking.
What happens when your big toe stops participating in movement — The Japanese footprint study found that people with more advanced bunions left weaker impressions from the big toe during push-off.¹ In short, their feet had stopped using the big toe correctly. That matters because the big toe acts like the steering wheel and power pedal of your walking pattern.
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Once it stops engaging the ground, balance declines, foot stability worsens, and the muscles that protect the toe begin to weaken from disuse.
Several muscles begin to shut down during dysfunctional walking patterns — This includes the abductor hallucis, which is the small muscle responsible for pulling the big toe back toward its normal position; think of it as the toe's outward-pulling guy-wire. Another important muscle, the flexor hallucis longus, helps grip the ground and stabilize push-off. This muscle lets your big toe grip the ground like a thumb.
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During shuffling or heel-strike walking, those muscles remain mostly dormant. Put your arm in a sling for six months and the muscles wither; every gym-goer knows this. Now consider that the average cushioned shoe is a sling for your foot, worn 12 hours a day for decades. The wonder isn’t that bunions form. The wonder is that anyone walks well into old age.
Why aging adults often lose confidence while walking — Gait changes begin decades before serious mobility problems appear. In the 50s and 60s, stride length shortens, feet rotate outward, and push-off weakens. By the 70s and 80s, many adults develop a shuffle pattern with minimal foot clearance and poor balance control.
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Thick cushioned shoes worsen the problem because they block sensory information from the ground. Your nervous system relies on pressure sensors in your feet to judge position and stability. Once those signals weaken, your brain responds with cautious movement and shorter steps.
Forefoot gait retraining restores a movement pattern your body already recognizes — Instead of landing hard on the heel, contact the ground first with the outside ball of your foot, meaning the area near your pinky toe.
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From there, your foot rolls inward naturally toward the big toe before push-off. This movement spreads force across muscles and tendons instead of slamming it through bone and joints. Your heel still touches the ground, but lightly and later in the step cycle. Barefoot populations and habitually barefoot runners around the world already move this way naturally.

Your Body Needs Time to Rebuild Healthy Walking Mechanics

Expect to walk slower for the first month or two — often a full minute or two per mile off your old pace. This isn’t backsliding; it’s your nervous system handing the steering wheel from autopilot back to you. That slowdown happens because your body suddenly recruits muscles that remained inactive for years. Your calf muscles absorb more force eccentrically, meaning they lengthen under tension while controlling impact.

At the same time, your brain shifts from automatic walking habits to conscious motor control, which requires much more attention and energy. The slowdown isn’t failure; it’s proof that your body finally starts using the correct muscles and movement sequence again.

The body responds quickly once those dormant muscles begin working again — Early training often causes soreness along the arch and inner ankle because muscles such as the tibialis posterior and flexor hallucis longus suddenly reactivate after years of underuse. This soreness is useful feedback rather than injury. You finally recruit the muscles designed to stabilize your foot.
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Sand walking becomes especially important because the unstable surface forces your toes to grip and your arch muscles to stabilize each step. Every footprint also acts as a scorecard. Deep forefoot impressions with light heel contact signal proper mechanics, while heavy heel marks reveal that the old pattern still dominates.
The protocol relies on combining active correction during the day with passive correction at night — “The Ratchet Effect” combines forefoot gait retraining with nighttime bunion splints. The splint gently holds your big toe in a corrected position overnight, which gradually stretches tight tissues on the outside of your toe and shortens overstretched tissues on the inside.
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Then, during the day, forefoot walking activates the muscles that pull your toe back toward alignment. The two systems reinforce each other. Nighttime positioning reduces structural resistance, while daytime movement strengthens the muscles responsible for maintaining the correction. This passive-active combination creates a stronger remodeling signal than either strategy alone.
Silent footsteps become one of the simplest forms of biofeedback — A heel strike creates a loud thud because rigid bone impacts the ground without muscular control. Forefoot walking sounds quieter because your calf and Achilles tendon absorb force gradually.
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That sound difference gives you instant feedback throughout the day without special equipment. Use it to turn ordinary daily movement into practice. Walking to the kitchen, walking through your office, or walking across your driveway all become opportunities to reinforce healthier mechanics.
Minimal footwear plays a major role because it restores sensory awareness and natural movement — Barefoot sock shoes and minimal footwear allow your toes to spread, the arch to function, and your nervous system to feel the ground again. Conventional cushioned shoes act like casts for the feet. Minimal shoes force your foot muscles to participate actively during movement instead of relying on external support.
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Over time, that repeated activation strengthens the structures that help stabilize the big toe and support healthier alignment.

Your Feet Adapt to What You Practice Every Day

If your bunion keeps worsening, the real problem is the movement pattern you repeat thousands of times daily. Your bones, tendons, and muscles constantly remodel according to the forces you place on them. That means every step either reinforces the deformity or helps reverse it.

Focus first on changing the mechanical stress that created the bunion in the first place. Once your foot begins receiving the correct signal over and over, your muscles wake back up, your balance improves, and your push-off strength starts to return.

Retrain your walking pattern instead of focusing only on the bunion itself — Most people obsess over the bump at the side of the toe while ignoring the movement that drives it. Start by changing how your foot contacts the ground. Land lightly on the outside ball of your foot near the area below your pinky toe — before rolling inward toward the big toe. Your heel still touches, but last and softly.
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At first, this feels strange because your body spent years rehearsing the opposite pattern. Slow down. Shorter walks with better mechanics beat longer walks with destructive mechanics. If you hear loud footsteps, you reverted to heel striking. Quiet steps tell you your muscles absorb force correctly instead of slamming it through your joints.
Switch to barefoot sock shoes so your foot starts functioning again — Conventional cushioned shoes block sensory input, weaken your arch muscles, and encourage harder heel strikes. Barefoot sock shoes restore ground feedback and allow your toes to spread naturally during walking.
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If you currently wear stiff shoes with narrow toe boxes, transition gradually. Start indoors for short periods. Then add brief outdoor walks. Your feet need time to rebuild strength. Once your foot begins moving naturally again, your arch muscles, stabilizers, and toes all start participating during each step instead of staying dormant inside thick cushioning.
Use sand walking as daily corrective training — Sand creates resistance that forces your foot muscles to work harder while reducing impact stress. Beach walking is one of the best ways to retrain gait because every footprint gives instant feedback about your mechanics.
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Look behind you while you walk. A healthy pattern leaves deeper impressions beneath the forefoot with lighter heel contact. If your heel digs deeply into the sand first, slow down and reset your landing pattern. Over time, your big toe imprint becomes stronger as the muscles responsible for toe push-off regain strength. That visible progress keeps motivation high because you literally see improvement step by step.
Strengthen the muscles that pull your big toe back into alignment — A bunion worsens when the muscles that stabilize the big toe stop doing their job. Rebuild those muscles daily through active toe engagement instead of passive stretching alone. Practice pressing your big toe downward into the floor during walking. Toe gripping exercises also help wake up the flexor hallucis longus and abductor hallucis muscles, which support toe alignment.
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Try towel scrunches — place a small towel flat on the floor and use your toes to bunch it toward you, two sets of 10 per foot daily. Or pick up marbles or pebbles with your toes. If your toe barely moves at first, it means the muscle remained inactive for years. Small improvements repeated every day create large structural changes over time.
Reduce the factors that slow tissue repair and structural adaptation — Your bones, tendons, and muscles need energy to remodel. Excess linoleic acid (LA) from seed oils contributes to chronic inflammation and poor mitochondrial function that slow the repair process. Prioritize a low-LA diet built around whole foods, ruminant meats, collagen-rich protein, and healthy carbohydrates that support cellular energy production.
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Sun exposure also matters because sunlight supports mitochondrial energy production. Morning outdoor walks combine gait retraining, balance practice, and circadian rhythm support into one habit. You took the steps that built this bunion one at a time, over decades. You’ll take it apart the same way — patiently, one footfall after another. The body that broke down is also the body that knows how to rebuild.

FAQs About Reversing the Cause of Bunions

Q: What’s the main cause of bunions?

A: Bunions often develop from repeated dysfunctional walking mechanics rather than genetics alone. Heel-strike walking shifts force across your foot in a way that repeatedly pushes your big toe sideways over years. Weak foot muscles, poor toe engagement, and cushioned shoes that block natural movement all contribute to the deformity.

Q: Why do modern cushioned shoes make bunions worse?

A: Conventional shoes with thick cushioning and narrow toe boxes weaken the muscles inside your feet and reduce sensory feedback from the ground. That changes the way your body absorbs force during walking. Over time, your arch weakens, your toes stop spreading naturally, and your gait becomes more unstable. Barefoot sock shoes and minimal footwear help restore natural movement and muscle activation.

Q: Why does forefoot walking help improve foot mechanics?

A: Forefoot gait retraining changes where force enters your foot. Instead of crashing into the heel first, you land lightly near the outside ball of your foot before rolling inward toward the big toe. That movement spreads force through muscles and tendons instead of slamming it through joints and bone. It also reactivates muscles that help stabilize the big toe and support healthier alignment.

Q: Is it normal to feel slower or sore during gait retraining?

A: Yes. Many people temporarily slow down during the first four to eight weeks because the body recruits muscles that remained inactive for years. Mild soreness in the arch, calf, and inner ankle reflects those muscles waking back up and adapting to new movement patterns. Quiet footsteps and stronger forefoot pressure become signs that your mechanics are improving.

Q: What daily habits help reverse the root cause of bunions?

A: Helpful strategies include practicing forefoot walking, using barefoot sock shoes, walking on sand for feedback, and strengthening the muscles that control your big toe. Night splints combined with daytime gait correction also help because they create a “ratchet effect” that gradually improves toe positioning over time.

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BMC Musculoskelet Disord. 2018 May 29;19(1):174

★The Gut Microbe Everyone's Suddenly Talking About

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How to Detox Naturally

Dr. Joseph Mercola — Sat, 04 Jul 2026 03:33:20 GMT

STORY AT-A-GLANCE

In my May 2026 CBS Chicago interview, I explained that your body already contains detox systems that work continuously through your liver, skin, kidneys, and digestive tract, but processed foods, seed oils, and dehydration overload those pathways and slow recovery
Regular sun exposure and increased outdoor activity naturally support detoxification by improving sweating, circulation, hydration, and cellular energy production
Seed oils stored inside your tissues contribute to fatty liver disease, impaired detox capacity, and increased sensitivity to midday sunlight, which helps explain why many people burn and photoage more easily
Sweating through sunlight exposure, walking, or sauna use helps your body eliminate waste products naturally while also supporting circulation, hydration balance, and temperature regulation
Simple daily habits like eliminating processed foods, hydrating consistently, spending time outdoors, and building regular sweat sessions strengthen your detox systems far more effectively than restrictive cleanses or expensive detox products

Many people today are running on fumes — pale from spending too much time indoors, sluggish from heavy processed meals, depleted from too little sunlight, and too much screen time. But that depletion isn’t permanent — there are ways for you to detox naturally, giving your body a real opportunity to recover.

That kind of shift is also ideal when it comes to clearing out the buildup of modern life. For years, I’ve watched the detox industry sell people on the idea that real cleansing requires powders, pills, or expensive kits. I disagree. Your body came equipped with detox systems that work continuously, and they don’t need a marketing campaign to function. What they need is for you to stop standing in their way.

That distinction shapes everything I shared in my May 2026 CBS Chicago interview, and it guides everything in this article.¹ Detoxification isn’t something you buy. It’s something your body already does — once you stop overwhelming it and start giving it the conditions it needs to work properly.

The Right Environment Gives Your Body the Support It Needs to Detox

In my interview, I explained that your body already contains highly sophisticated detox systems designed to remove waste products and environmental toxins naturally.2 Your liver, skin, kidneys, and digestive tract work around the clock to process this toxic burden.

The problem is that modern life overwhelms those systems continuously through processed foods, polluted air, plastics, and industrial chemicals. I called this a “toxic soup” — phthalates leaching from plastics, glyphosate residues on produce, microplastics in drinking water, particulate matter in the air you breathe. Your body wades through it every hour of every day.

Most commercial detox programs completely miss the root issue — You can’t overload your body with processed foods, seed oils, and chronic dehydration for months, then expect a three-day cleanse to reverse the damage. Instead of framing detox as something you purchase, I focused on removing the major stressors that overload your biology in the first place. Once you stop overwhelming your detox systems, your body redirects energy toward repair, recovery, and waste elimination.
The right environmental conditions naturally strengthen detox pathways — More time in sunlight, warmer temperatures, and increased outdoor activity improve circulation, sweating, and hydration rhythms. During the interview, I explained that sunlight “facilitates many of our body’s natural abilities,” especially those tied to liver function and cellular energy production.
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Cellular energy production happens inside your mitochondria, the microscopic power plants in every cell that turn food and oxygen into the fuel your body runs on. Your body responds differently when you spend more time moving outdoors, absorbing sunlight, and regulating body temperature through sweating.
Sweating acts like a built-in detox mechanism — I stated in the interview that “when you sweat, that’s one of the most effective ways to eliminate toxins.” Your skin functions as a secondary elimination organ. Once body temperature rises through sauna use, walking outdoors, or sunlight exposure, sweat glands help move waste products out while improving circulation at the same time.
Simple habits are often the most effective detox protocols — I emphasized practical strategies instead of restrictive cleanses or starvation-style detox plans. These included:
- Spending more time outdoors
- Sweating regularly through movement or sauna use
- Drinking enough water consistently
- Eliminating processed foods
- Supporting liver health through whole-food nutrition
Hydration is a central theme of detoxification — Sweating removes fluids alongside waste products, so dehydration slows detoxification rapidly. Even mild fluid loss reduces circulation, energy production, and temperature regulation. If you feel sluggish, foggy, drained, or irritable during warmer weather, your body often lacks hydration long before you notice intense thirst.
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Consistent hydration supports blood flow and helps your detox systems move waste products more efficiently throughout the day.

Seed Oils Sabotage Your Detox and Midday Sunlight Tolerance

I explained during the interview that processed foods overload your body because they contain seed oils, which are high in linoleic acid (LA), and heavily refined ingredients. In fact, I stated that avoiding processed foods “is probably the single most powerful intervention you can use to detox.” That shifts attention away from trendy supplements and toward the foods that burden your body every single day.

Seed oils are associated with fatty liver disease and reduced detox capacity — Fatty liver disease means your liver cells get clogged with fat, the way a kitchen drain clogs with grease. The organ keeps trying to do its job, but every process — filtering blood, processing nutrients, packaging waste for excretion — slows down. Over time, this disrupts blood sugar control, energy production, and toxin processing.
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Seed oils contribute heavily to these fatty acid accumulations inside the liver. Since your liver acts as your body’s primary filtration system, an overloaded liver forces your body to spend more energy dealing with inflammation and less energy maintaining repair and recovery.
Why sunlight became controversial — Many people have been taught to fear midday sunlight entirely. However, much of the skin damage associated with peak sunlight exposure may stem from seed oils stored inside body tissues. These unstable polyunsaturated fats appear to contribute to photoaging, meaning premature skin aging linked to sunlight, and may also contribute to wrinkles and increased skin damage risk.
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Polyunsaturated fats are chemically unstable because their double bonds are vulnerable to oxidation, and when ultraviolet light hits skin tissue loaded with these fats, it triggers lipid peroxidation; essentially, the fats in your skin go rancid and damage surrounding cells.
Diet quality heavily influences how your skin responds to sunlight — Individuals who recently eliminated processed foods and seed oils still carry those fats inside tissues for months. That is why I advised limiting intense direct sun exposure between 10 a.m. and 4 p.m. until you’ve avoided seed oils for at least three months.
Sunlight exposure improves far more than sweating alone — Once you spend more time outdoors, your body starts recalibrating mood, sleep cycles, and energy regulation naturally. Increased sunlight exposure optimizes cellular energy, influences hormones tied to alertness and recovery, and encourages more movement throughout the day.
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That creates a reinforcing cycle where you move more, sweat more, hydrate more consistently, and support circulation more effectively. Small daily habits build momentum rapidly when your environment supports those changes naturally.
Breaking detox into small repeatable habits lowers mental resistance dramatically — Many people fail because they try extreme protocols that overload their schedules and attention spans. I focused instead on realistic actions that fit into normal life. Examples included:
- Taking regular outdoor walks
- Sweating consistently for short periods
- Replacing processed meals with whole foods
- Drinking water steadily throughout the day
- Using sauna sessions strategically

Remove the Toxic Overload Before You Focus on Detox

Your body already detoxes every minute of every day. The real problem is overload. If you keep overloading your body with processed foods, dehydration, poor sleep, and constant indoor living, with little time outdoors, no detox tea or cleanse fixes that bottleneck.

Focus first on removing the things that clog your detox pathways before adding anything additional. Once you lower the toxic burden, your liver, skin, and circulation systems start working more efficiently again. Simple habits repeated every day create stronger results than extreme short-term cleanses.

Eliminate seed oils and ultraprocessed foods first — Your liver struggles when you constantly feed it seed oils, additives, and heavily processed meals. Seed oils, including soybean, corn, sunflower, safflower, and canola, accumulate in tissues, increase oxidative stress, and contribute to fatty liver disease. If you’re serious about detoxification, this is the first place I would clean up.
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Avoid restaurant foods, packaged snacks, bottled dressings, and frozen convenience meals. Even “organic” processed foods often contain seed oils that overload your liver and skin. Instead, focus your meals around:
- Grass fed beef, lamb, or bison
- Whole fruits and root vegetables
- Pastured eggs cooked gently at lower heat
- White rice if your gut health is compromised
- Tallow, ghee, or grass fed butter instead of vegetable oils
Use sweating as a daily detox tool — Sweating helps your body move waste products out through your skin while improving circulation and temperature regulation. You don’t need complicated detox programs for this. Your body already built the system. If you’re new to sweating regularly, start simple:
- Take a brisk outdoor walk during warmer parts of the day
- Use a sauna several times per week
- Perform short body-weight workouts that raise your heart rate
- Sit outdoors in natural sunlight while staying hydrated
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Turn this into a personal challenge. Track your consistency instead of chasing perfection. Five short sweat sessions per week build more momentum than one exhausting “detox day” every month.
Hydrate in a way that supports energy production — Your body loses fluids continuously through breathing, sweating, and daily activity. Focus on steady hydration throughout the day instead of flooding your body with huge amounts all at once. Sip fluids consistently, but let thirst guide how much water you drink. Your urine color gives useful feedback here.
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Pale yellow urine generally reflects healthy hydration, while darker urine usually signals that your body needs more fluid. If you spend time outdoors or sweat heavily, increase your intake earlier in the day instead of trying to “catch up” at night. Fruit with pulp, mineral-rich fluids, and whole-food carbohydrates support hydration far better than sugary sports drinks or heavily caffeinated beverages that increase stress hormones.
Build your sunlight tolerance gradually — Sunlight supports cellular energy production, circulation, and healthy detox pathways. But if your tissues are loaded with seed oils from years of processed-food intake, intense sun exposure at midday damages your skin more easily. If you recently removed processed foods, ease into sunlight exposure gradually:
- Start with short periods of morning or late afternoon sun
- Increase exposure slowly over several months
- Avoid harsh midday sun until you’ve avoided seed oils for at least three months
- Spend more time outdoors without sunglasses when appropriate so natural light reaches your eyes
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As your body clears stored seed oils over time, your skin handles sunlight differently. Many people notice improved energy, sleep quality, and mood once regular sunlight exposure becomes part of their daily rhythm.
Make detox habits automatic instead of dramatic — Most detox plans fail because they demand too much mental energy. Extreme cleanses create burnout. Your body responds better to routines that feel manageable enough to repeat daily. Consider simple scorecard-style habits that reduce overwhelm. Pick a few daily targets:
- Outdoor sunlight exposure
- One sweat session
- Processed-food-free meals
- Consistent hydration
- Earlier bedtime
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Then track your streak. Small achievements compound. The walk you took yesterday makes today’s walk easier. The seed-oil-free dinner you cooked Monday makes Wednesday’s grocery list healthier. Once your energy improves and your body feels lighter, those habits stop feeling like chores and start feeling normal.

FAQs About Natural Detox

Q: What makes natural detoxification easier?

A: Increasing sunlight exposure, outdoor movement, and sweating, all support your body’s built-in detox systems. Regularly spending time outdoors also helps regulate sleep cycles, circulation, and cellular energy production. Your liver, skin, and kidneys already remove toxins continuously, but these environmental conditions help those systems work more efficiently.

Q: Do detox teas, juices, and cleanses actually detox your body?

A: Your body already contains detox organs that handle waste removal naturally. Short-term detox cleanses often ignore the real issue, which is chronic overload from processed foods, dehydration, poor sleep, and constant indoor living. Removing the daily stressors that burden your liver creates far greater benefits than relying on expensive detox products.

Q: Why are seed oils such a problem for detoxification?

A: Seed oils accumulate inside tissues and contribute to fatty liver disease, inflammation, and impaired cellular energy production. Your liver acts as your body’s main filtration system, so when excess fat builds up inside liver cells, toxin processing becomes less efficient. Seed oils also increase sensitivity to sunlight and contribute to premature skin aging.

Q: What are the best natural ways to support detoxification?

A: Simple daily habits strengthen detox pathways more effectively than extreme cleanses. The most helpful strategies include eliminating processed foods and seed oils, sweating regularly through movement or sauna use, staying consistently hydrated, spending more time outdoors in natural sunlight, and eating whole foods that support liver health.

Q: Why does hydration matter so much for detox?

A: Your body loses fluids continuously through breathing, sweating, and normal daily activity. Even mild dehydration slows circulation, temperature regulation, and waste removal. Consistent hydration helps your blood transport nutrients and move waste products out more efficiently, especially during warmer weather when sweating increases.

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YouTube, CBS Chicago, May 12, 2026

★The 'Youth' Signal That Starts Fading After 30

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A specific amino acid pattern appears to activate repair pathways tied to tissue strength, skin resilience, and internal aging markers.

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The Simple Link Between Core Strength and Brain Health

Dr. Joseph Mercola — Fri, 03 Jul 2026 03:33:51 GMT

STORY AT-A-GLANCE

Your abdominal muscles physically influence your brain every time you move by creating pressure changes that affect brain fluid circulation, nervous system signaling, and mechanical stimulation inside the skull
Research showed that exercises combining movement with coordination and focus, including yoga, tai chi, Pilates, dance and bodyweight training, improved memory, attention, decision-making and overall thinking ability across all age groups
Shorter exercise programs often produced stronger cognitive improvements than long-term workout programs, making brain-supportive movement realistic and sustainable for people with busy schedules or low energy
Bodyweight movements like planks, pushups, bear crawls, mountain climbers, glute bridges and slow squats strengthen your core while simultaneously challenging balance, posture and coordination that sharpen brain function
Long periods of sitting reduce the abdominal activation and movement-related brain stimulation that support mental clarity, meaning frequent daily movement and posture changes help maintain focus, reaction speed and cognitive resilience

Your abs do more than hold in your stomach. Every time your core contracts, whether you’re standing up from a chair, climbing stairs or steadying yourself on uneven ground, those muscles send mechanical waves traveling upward through your body and into your skull. Emerging research reveals that this physical connection between your abdomen and your brain shapes how well you think, remember and focus.

That has real implications for brain health. Cognitive decline continues to rise across all age groups, with memory lapses, poor focus, mental fatigue, and slower decision-making becoming common complaints even in younger adults. Executive function, meaning your ability to organize, focus, plan and regulate impulses, affects nearly every part of your daily life, yet the usual fixes like supplements, stimulants and productivity hacks tend to ignore the physical foundation underneath cognition.

What if mental sharpness is built from the core up, not the head down? Recent evidence points in exactly that direction, and the implications stretch far beyond fitness culture. Extreme intensity, exhausting workouts and rigid training programs aren’t required. Gentler movement often outperforms aggressive training when it comes to memory, focus and executive function.

Children, adolescents and individuals with attention challenges showed some of the strongest gains of all. This reframes movement itself. Exercise doesn’t simply increase blood flow or burn calories. Your body movement physically interacts with brain tissue, fluid circulation and nervous system signaling. The first study below reveals exactly how your abdomen and brain communicate mechanically every time you move.

Your Core Muscles Physically Push Brain Fluid

A study published in Nature Neuroscience used high-speed imaging to watch how the brain moved inside the skull during movement and rest.1 Researchers studied 24 mice and monitored their brain tissue, skull position, abdominal muscle activity and locomotion all at once. Instead of focusing only on blood flow or electrical brain signals, the researchers wanted to understand the actual physical forces acting on the brain during movement.

The abdomen turned out to be the driving force — Scientists discovered that contractions in the abdominal muscles closely matched movement of the brain itself. Brain motion started slightly before locomotion began, which showed the movement didn’t come from footsteps or head motion alone. The abdominal muscles tightened first, pressure changed inside the body and the brain shifted almost immediately afterward.
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During locomotion, the brain shifted mainly forward and sideways inside the skull. Researchers described this as “rostro-lateral” movement, meaning toward the front and side of the head. The skull itself stayed almost completely stable while the brain tissue moved relative to it. While the mechanism still needs to be fully confirmed in humans, the anatomy in mice is similar enough that researchers expect the same physical relationships to hold.
Pressure changes inside the body affect your brain directly — Researchers found that movement sharply increased pressure inside the skull. Earlier studies cited in the paper showed intracranial pressure in mice rose from roughly 5 mm Hg at rest to more than 20 mm Hg during movement. That pressure shift matters because it physically changes how fluid moves through the brain.
Your body contains a hydraulic-like connection to the brain — The researchers identified a network of veins linking the abdomen, spinal canal and brain. This system acts almost like a pressure-transfer tube. When abdominal muscles tighten, blood and pressure move upward through the spinal region and influence the brain mechanically.
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Picture squeezing a water balloon from the bottom; the pressure travels upward and outward. Researchers found the abdomen-to-brain system works the same way. Tightening the abdomen increased pressure in the spinal canal and shifted cerebrospinal fluid upward.
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Cerebrospinal fluid, often called CSF, surrounds and cushions your brain and spinal cord. It acts as your brain’s circulation and waste-removal system; when CSF stagnates, metabolic byproducts accumulate in tissue, which contributes to brain fog, fatigue, and longer-term cognitive decline.
Movement appears to help push waste-related fluid out of the brain while awake — Researchers used computer simulations to study how this motion changed fluid flow. The models showed that movement pushed fluid out of brain tissue and into surrounding spaces around the brain. This differs from sleep-related flow, where fluid moves deeper into brain tissue for cleanup and repair.

Movement Keeps Your Brain Mechanically Active

Long periods of sitting reduce abdominal activation, reduce full-body movement and reduce pressure shifts that stimulate circulation around the brain. Your body evolved around movement. Constant stillness changes the mechanical environment surrounding brain tissue.

The abdominal muscles involved in this study included the external oblique, internal oblique and transverse abdominal muscles. These muscles tighten before movement starts to stabilize the torso. Researchers showed that this stabilization process also sends mechanical force upward toward the brain.

The findings connect movement to real-world brain performance — Every walk, squat, twist and posture adjustment activates abdominal muscles in some way. That means ordinary movement throughout the day continuously influences brain pressure, circulation and fluid movement. Even light movement creates physical stimulation inside the nervous system.
Researchers found that respiration alone was not the main driver during wakefulness — Earlier theories focused heavily on breathing and heartbeat as the main causes of brain movement. This study found abdominal activation and locomotion had a much stronger relationship to brain motion in awake animals. Heartbeat-related pulsations were extremely small compared to the shifts caused by movement.
Mechanical stimulation inside the brain affects more than fluid movement — The paper also discussed mechanosensitive channels, which are specialized structures in nerve cells and support cells that respond to physical force. This means movement itself influences signaling inside the brain through direct mechanical stimulation, not just chemistry or blood flow.
The findings create a different way to think about exercise — Many people view movement only as calorie burning or cardiovascular training. This research shows your body movement physically interacts with your brain every second you move. Your abdomen, spine, blood vessels and nervous system work together as one connected mechanical system.

Short Workouts Build Faster Thinking

While the first study reveals how movement reaches your brain, a second reveals what that does across hundreds of thousands of real people. For the analysis, published in the British Journal of Sports Medicine, researchers evaluated 133 systematic reviews covering 2,724 randomized controlled trials and 258,279 participants to determine how exercise affects cognition, memory and executive function across all age groups and health conditions.2

Instead of focusing on one exercise style or one disease, the review examined nearly every major category of movement, including aerobic exercise, resistance training, yoga, tai chi, dance and exergaming.

The cognitive benefits appeared across nearly every population studied — Researchers found consistent improvements in general cognition, memory and executive function in children, adults, older adults and individuals with chronic diseases or neurological conditions.
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Overall thinking ability showed noticeable improvement, while memory and mental skills like focus, planning, and decision-making also improved consistently after exercise. Researchers also found improvements in specific cognitive tests widely used to measure memory, attention and thinking speed.
Children and adolescents experienced some of the strongest memory gains — Younger participants showed a far larger memory improvement than most adult groups. Researchers believe movement stimulates developing brain networks aggressively during childhood and adolescence.
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That matters for attention span, academic performance and learning speed. If your child struggles with focus or mental fatigue, consistent movement creates measurable changes in brain performance rather than simply “burning off energy.”
Individuals with attention-deficit hyperactivity disorder (ADHD) showed especially strong executive function improvements — Participants with ADHD produced an executive function improvement that was far higher than most other populations studied.
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Researchers discussed how exercise improved task engagement, attention control and impulse regulation. The paper also highlighted working memory tasks such as digit span testing, which measures how well the brain temporarily stores and manipulates information.
Shorter exercise programs often worked better than longer ones — Interventions lasting one to three months produced stronger cognitive improvements than programs lasting more than six months. Researchers discussed several explanations for this pattern:
- Better adherence
- Lower dropout rates
- More novelty
- Greater mental engagement
- Less psychological burnout
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Shorter exercise programs often produced stronger real-world cognitive improvements, not because brief workouts are inherently superior, but because participants were more likely to stay consistent and avoid burnout. The findings suggest that sustainable movement habits matter more than extreme workout duration.
The findings challenge the idea that harder exercise always produces better brain results — Low- and moderate-intensity exercise repeatedly performed well across cognitive categories. Tai chi, yoga and exergaming stood out because they combined movement with coordination, focus, and memorization. Exergaming refers to video games that require physical movement and fast reactions rather than sitting still with a controller.

Movement Challenges Your Brain in Real Time

Researchers repeatedly emphasized that exercises requiring coordination, sequencing and attention appeared especially effective. Tai chi requires memorizing movement patterns. Yoga demands body awareness and breath control. Exergaming forces quick decisions and visual processing. Your brain stays active during the workout instead of drifting mentally.

The review found cognitive gains regardless of workout frequency or duration — Improvements didn’t depend heavily on exercising every day or performing extremely long sessions. Benefits appeared even with lower weekly exercise volumes. That removes some of the biggest mental barriers people face:
- “I don’t have enough time.”
- “I missed a few days.”
- “My workouts are too short.”
Exercise physically reshapes brain function through several biological pathways — Researchers explained that movement increases neuroplasticity, which means your brain becomes more adaptable and efficient at forming new connections.
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Exercise also increases cerebral blood flow, meaning more oxygen and nutrients reach active brain tissue. At the same time, movement improves neurotransmitter activity, the chemical signaling system your brain uses for focus, motivation and memory formation.
Inflammation reduction played a major role in the findings — Chronic inflammation interferes with memory formation, mental clarity and energy production inside cells. The paper explained that exercise lowers systemic inflammation while improving communication between brain cells. This creates an environment where learning, memory storage and mental flexibility improve more efficiently.
Researchers also discussed changes in brain structure itself — Neuroimaging studies referenced in the paper showed short-term exercise interventions changed gray matter volume, connectivity patterns and activation in regions involved in cognitive processing. Gray matter contains many of the brain’s nerve cell bodies and plays a major role in learning, decision-making and emotional regulation.
The study reinforces that movement acts like brain training, not just physical training — Every session gives your nervous system a new challenge to solve:
- Balance
- Timing
- Spatial awareness
- Coordination
- Reaction speed
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You don’t need extreme athletic performance to strengthen brain function. Consistent movement, mental engagement and short-term progression produced measurable improvements across huge populations. That creates a much lower barrier for someone starting from a place of fatigue, inactivity or cognitive burnout.

How to Build a Brain-Friendly Movement Routine

Your brain responds to movement all day long, not just during workouts. Core activation, circulation, coordination, and consistent physical activity all influence how well your brain processes information, clears waste and maintains focus. Many people attack brain fog and mental fatigue from the wrong direction.

They look for stimulants, supplements or productivity tricks while ignoring the physical inactivity, poor posture and metabolic stress that weaken brain function at its foundation. This isn’t about punishment-style exercise. It’s about restoring regular movement patterns that support brain circulation, abdominal activation and cellular energy production.

Train your core through full-body movement instead of isolated “ab workouts” — Your abdomen acts like a pressure-regulation system for your brain. Walking uphill, carrying groceries, split squats, sled pushes, crawling patterns and rotational movements all activate the deep abdominal muscles that support healthy brain mechanics. Endless crunches and situps don’t train your body the same way real movement does.
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Pilates stands out because it strengthens deep stabilizing muscles while improving posture and breathing mechanics at the same time. Yoga adds controlled movement, flexibility and balance challenges that force your brain and body to coordinate together. Tai chi slows movement down enough that you become more aware of posture, weight shifting and body positioning.
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Bodyweight training and calisthenics also work extremely well because they force your core to stabilize your body naturally during movement. Pushups, planks, side planks, bear crawls, mountain climbers, hanging knee raises, bird dogs, glute bridges and slow bodyweight squats all challenge the abdominal wall while training coordination and posture at the same time.
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Even simple movements like getting up from the floor without using your hands activate stabilizing muscles that support spinal and brain mechanics. If you sit most of the day, start with simple movement: slow squats, stair climbing, standing during phone calls and short walks after meals. Your body responds best to consistency first.
Use manageable exercise programs that you can sustain consistently — The research found exercise programs lasting one to three months produced stronger cognitive improvements than programs lasting longer than six months. Shorter intervention periods often produced better results because people stayed more engaged, consistent and mentally invested in the routine.
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Your brain responds strongly to repeated movement challenges that feel achievable instead of overwhelming. If your schedule already feels overloaded, stop thinking in terms of perfect hour-long workouts or complicated fitness plans that become exhausting after a few weeks.
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A 10-minute brisk walk after lunch, 15 minutes of beginner Pilates or a short yoga flow before dinner still stimulates circulation, coordination, and cognitive function. A short calisthenics circuit using pushups, bodyweight squats, bear crawls, planks, mountain climbers and glute bridges challenges your core and nervous system without requiring gym equipment.
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Even movement-based video games improved cognitive performance in the research because they forced quick reactions, visual processing, and physical coordination at the same time. Shorter sessions reduce mental resistance. The easier a routine feels to repeat, the more likely you are to maintain enough consistent movement to keep stimulating brain adaptation over time.
Add coordination and balance work to wake up your brain — Your brain benefits most when movement forces attention, sequencing and coordination. Simple repetitive exercise still helps, but mentally engaging movement stimulates more brain regions simultaneously. Dance workouts, martial arts drills, balance exercises, agility ladder work, animal-style crawling movements and yoga transitions force your nervous system to adapt continuously.
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Even changing your walking route or learning a new bodyweight movement pattern gives your brain a stronger stimulus. If you’re older or mentally burned out, this style of movement builds confidence quickly because progress becomes noticeable in everyday life. You react faster. You feel steadier. You remember tasks more easily.
Support brain energy production with proper food and sunlight — Movement gives your brain the mechanical stimulation it needs, but that stimulation only pays off if your cells can produce enough energy to act on it — and the fats you eat directly shape how well your mitochondria work. Your brain requires carbohydrates, protein, minerals, and light exposure to maintain efficient energy production. Low-carb dieting, for instance, raises stress hormones and reduces metabolic resilience over time.
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Focus on consuming healthy carbohydrates from whole fruit, root vegetables, and well-tolerated starches along with steady protein intake. Aim for about 0.8 grams per pound (or 1.76 grams per kilogram) of lean body mass, with one-third coming from collagen-rich sources like slow-cooked meats or bone broth. Avoid seed oils and ultraprocessed foods, which contain high levels of linoleic acid (LA) that interferes with mitochondrial energy production.
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Daily sunlight exposure matters too. Morning light helps regulate circadian rhythms while midday sunlight supports nitric oxide production, mitochondrial function and cellular energy production. Avoid intense sun exposure from 10 a.m. to 4 p.m. until you’ve reduced seed oil intake for at least six months, since high LA levels increase your skin’s sensitivity to the sun.
Break the cycle of prolonged sitting throughout the day — Your brain wasn’t built for stillness. Eight to 10 hours of sitting changes circulation, posture, abdominal activation and nervous system signaling. Even a daily workout doesn’t fully offset long stretches of inactivity. Treat movement as a running tally throughout the day, not a single workout to check off.
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Spend more time standing, stretching, kneeling, walking and changing positions throughout the day. Floor sitting, mobility work and posture resets force your core muscles to stay engaged more often than remaining in a chair all day.
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Those small movement changes accumulate quickly. Once your energy production improves, movement starts feeling rewarding instead of draining.

FAQs About Core Strength and Your Brain

Q: How does my core affect my brain?

A: Your core muscles do far more than stabilize your torso. Research showed that every time your abdominal muscles contract during movement, they create pressure changes that physically influence brain tissue and fluid circulation. These pressure shifts help move cerebrospinal fluid around your brain and stimulate brain activity through mechanical signaling. Simple movements like walking, climbing stairs and changing posture continuously activate this brain-body connection.

Q: What types of exercise improved memory and thinking the most?

A: The strongest cognitive improvements came from exercises that forced the brain to stay mentally engaged during movement. Tai chi, yoga, Pilates, dance, exergaming and calisthenics stand out because they combined coordination, balance, sequencing and focus. Pushups, planks, crawling drills, bodyweight squats and rotational movements also challenge the core while improving posture and nervous system coordination at the same time.

Q: Do I need intense workouts to improve brain function?

A: No. The research repeatedly showed that low- and moderate-intensity exercise improved cognition, memory and executive function across nearly every population studied. Shorter exercise programs often worked better than long, exhausting routines because people stayed more consistent and mentally engaged. Even short daily movement sessions produced measurable improvements in focus, reaction speed and mental clarity.

Q: Why does sitting too much affect mental sharpness?

A: Long periods of sitting reduce abdominal activation, circulation changes and full-body movement that normally stimulate the brain mechanically. Researchers found that inactivity changes the physical environment surrounding brain tissue. Over time, constant stillness reduces the movement-related stimulation that supports focus, memory and cognitive flexibility. Regular posture changes, walking and core activation throughout the day help counteract those effects.

Q: Which groups experienced the biggest brain benefits from exercise?

A: Children, adolescents and individuals with ADHD showed some of the strongest improvements in memory, focus and executive function. Researchers found that movement strongly stimulated developing and attention-related brain networks.

However, benefits appeared across nearly every age group and health condition studied, including older adults and individuals with chronic diseases. The findings showed that consistent movement improved brain performance even without elite athletic training.

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Nature Neuroscience April 27, 2026

British Journal of Sports Medicine 2025;59:866-876

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