Vitamin D Is More Effective Than Flu Vaccine, Study Says

Don't believe authorities when they say getting a flu shot each year is your best defense against the flu.

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STORY AT-A-GLANCE

• Mounting research suggests vitamin D deficiency may actually be a major cause of influenza. People with the lowest vitamin D levels report having significantly more colds or cases of the flu

• Scientific review confirms vitamin D optimization boosts immunity and cuts rates of cold and flu. Among people…