> body produces vitamin D naturally when exposed to sunlight.
> regulates absorption of calcium & phosphorus => important for bones & teeth.
> reduces risk of MS.
> low vitamin D levels are linked to increased risk of heart diseases such as HBP, heart failure, and stroke.
> reduces the likelihood and severity of bacterial and viral infections.
> reduces risk of autoimmune diseases, such as rheumatoid arthritis, type 1 diabetes, and IBD.
> may help regulate mood and decrease the risk of depression & fibromyalgia.
> higher body weight => greater chance of vitamin D deficiency.
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