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 slather on sunscreen.
If properly applied, SPF 30 will block 97 percent of UV-B rays, which is why some experts feel we should (gasp!) be using less of it. In Australia—the skin cancer capital of the world—the Cancer Council has actually begun recommending a small amount of daily exposure sans protective goop.
From the November 2010 issue of O, The Oprah Magazine