Factors That Influence Vitamin D Levels

Your body produces vitamin D when sunlight reaches the skin. Another way to get it is by eating foods that contain vitamin D. Though there are not a lot of foods that have it naturally, some foods like milk, orange juice and cereals are fortified with D. Additionally,...

Vitamin D and Colds

In the largest trial done so far, vitamin D failed to lower the risk of colds or other respiratory infections even though earlier evidence had suggested that people with lower vitamin D levels have a higher risk of colds. The study, conducted in New Zealand randomly...

Supplements for Good Health

Most herbal and vitamin supplements have not held up to scrutiny in controlled trials; some have turned out to be harmful. Even multivitamins are questionable; a large study released in 2009 showed no improvement in cancer or heart disease rates among women who took...

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