Findings Will Help Explain Vitamin D's Role In Seasonal Illnesses

UC Irvine and Mayo Clinic researchers have found that vitamin D levels in the U.S. population peak in August and bottom out in February. The essential vitamin - necessary for healthy bones - is produced in the skin upon exposure to ultraviolet B rays from the sun. Vitamin D helps bones absorb calcium and can protect against osteoporosis. It's also thought to play a role in seasonal illnesses, such as the flu. Low levels of vitamin D are believed to impair "innate immunity" i.e., the body's first line of defense against pathogens... via Health News from Medical News Today Read More Here..

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