5 Things That Increase Your Risk of Vitamin D Deficiency
If you meet any of these criteria, chances are you're not getting enough D.
By Nancy Kalish
You have dark skin.
If your skin has a high melanin content, you absorb less sunshine. Forty to 60 percent of African-Americans are deficient in vitamin D.
From the
November 2010 issue of
O, The Oprah Magazine
