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Guillermou's avatar
Guillermou
3d

A grim outlook. Humanity faces a world filled with plastic pollution. Global plastic production has doubled in the last two decades. Microplastics can be found in various environmental compartments, such as oceans, rivers, lakes, soil, air, and even in living organisms. Scientists estimate that there are between 8 and 10 million metric tons of plastic in the oceans, and some of it is ingested by fish and other wildlife. Microplastics have been detected in fruits and vegetables, plastic water bottles, the air, cosmetics, and household dust.

The invention of synthetic plastic polymers in the early 20th century radically transformed almost every aspect of our daily lives. From building materials to medical devices and food packaging, plastic is present throughout our modern existence. Its broad applicability, durability, and cost-effectiveness have led to its widespread adoption in countless applications. Plastic is not a single substance, but a generic term encompassing seven main classes of hydrocarbon polymers. Plastic becomes pollution when it enters the environment, where it can impact environmental health through physical or toxicological damage. It is expected that approximately 710 million metric tons of global plastic pollution will be generated between 2016 and 2040. Plastic pollution will become more abundant by cumulative mass than all life on Earth, with a plethora of potential negative consequences at all scales of biological organization, from the molecular and cellular level to the population and ecosystem level.

Nanoplastics can pass through tissues and even penetrate cell membranes or be actively ingested. Nanoplastics have been discovered in multiple human tissues, including the lungs, gastrointestinal tract, blood, heart, testes, placenta, breast milk, and brain. As we have reported, plastic accumulation has increased in recent decades, as evidenced by the rise in nanoplastics in the brains of deceased individuals from the 2000s to the 2020s. The effects of microplastic pollution on these organs can include inflammation, oxidative stress, and impaired organ function, causing a variety of health problems, including cancers, metabolic disorders, attention deficit hyperactivity disorder (ADHD), and fertility issues. There is an emerging link between microplastic (MP) exposure and the development of neurodegenerative diseases, particularly Alzheimer's and Parkinson's diseases. MPs appear capable of triggering neurotoxic pathways, including the activation of resident immune cells in the brain, oxidative stress, disruption of the blood-brain barrier (BBB), mitochondrial dysfunction, and neuronal damage.

Fetal exposure to endocrine-disrupting chemicals has been associated with abnormal development of reproductive organs in male infants, an increased risk of metabolic disorders in childhood, and may be associated with the development of attention deficit hyperactivity disorder (ADHD) in children. Some of these chemicals have also been linked to lower sperm quality in men.

The damage from microplastics is exacerbated by bisphenol A, phthalates, perfluoroalkyl and polyfluoroalkyl substances, polycyclic aromatic hydrocarbons, insecticides, heavy metals, and antibiotics, which can contaminate the hormone-mimicking microplastics that disrupt the body's natural endocrine system, responsible for producing hormones that govern processes such as growth and development, metabolism, appetite, mood, and reproduction. Micro- and nanoplastics can serve as a source of carcinogenic or mutagenic substances, potentially causing DNA damage that can lead to carcinogenesis, the development of cancerous tumors. Genotoxicity studies aim to investigate the effects of microplastics and associated chemicals on DNA integrity, chromosomal structure, and genomic stability using sensitive assays. Furthermore, prolonged environmental exposure to microplastics can have significant adverse effects in cancer patients, affecting both cancerous and immune cells.

Younger individuals diagnosed with colon cancer and other cancers related to the gastrointestinal tract may be linked to the ingestion of plastics and other chemicals.

The main barriers to sustainable plastic waste management include inadequate infrastructure, weak policy enforcement, low public awareness, and financial constraints. The study concludes that effectively reducing plastic pollution in Diobu requires a multi-stakeholder approach based on the 3Rs (Reduce, Reuse, Recycle), community waste separation, integration of informal waste management actors, compliance with environmental regulations, and the adoption of circular economy models.

The UCSF Reproductive Health and Environment Program also offers additional tips to help minimize exposure to toxic chemicals, such as those sometimes found in microplastics: TOXIC MATTERS: NEW AND IMPROVED!

PREVENT TOXIC CHEMICAL EXPOSURES AT HOME

https://prhe.ucsf.edu/toxic-matters

https://www.sciencedirect.com/science/article/pii/S0929139322002839 (2023).---

https://www.cell.com/heliyon/pdf/S2405-8440(23)00503-0.pdf (2023).----

https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(23)00467-X/fulltext (2023).--

https://www.sciencedirect.com/science/article/abs/pii/S0304389424006332 (2024).--

https://www.aamc.org/news/microplastics-are-inside-us-all-what-does-mean-our-health (2024),..

https://www.sciencedirect.com/science/article/pii/S2772906024004011 (2024).--

https://link.springer.com/article/10.1007/s10311-024-01734-2 (2024).--

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4849245 (2024).--

https://www.mdpi.com/2072-6694/15/13/3323 (2024).--

https://journals.uniscipub.com/Wjebs/article/view/181 (2025)

https://link.springer.com/article/10.1007/s11010-025-05428-3 (2025)

https://www.taylorfrancis.com/chapters/edit/10.1201/9781003644309-11/plastic-pollution-cancer-niketha-manoj-shabina-ashraf (2026)

https://mail.bwjournal.org/index.php/bsjournal/article/view/3773 (2026)

https://www.jci.org/articles/view/203775 (2026).-

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Just steve's avatar
Just steve
3d

It is not a sin to make a mistake. It is a sin to continue to repeat the behavior once knowing to do so is a mistake. In some cases it becomes more than a sin, it becomes a crime. This article covers well what Humanity and Life is facing, what some of the outcomes are from this mistake. It is a step forward to acknowledge these mistakes and to have efforts put forth to deal with them. Let's hope all does not follow the usual route and just grab the low hanging fruit and pretend that would be enough. Too, what becomes of all this as the Microplastics will likely continue to accumulate into deposits, layers of some kind. Does it eventually centuries later return to become petroleum again? Or layers of different kinds of poison?

As individuals, currently we can do our best not to purchase plastics as much as possible, yet as we know, they are in nearly everything and are already everywhere in some form or another.

Let's not let this sin become a crime. Just Say'n'

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