The Ultimate D-fense
"Every tissue in your body needs vitamin D," says Michael F. Holick, Ph.D., M.D., director of the Vitamin D, Skin, and Bone Research Laboratory at the Boston University School of Medicine. Vitamin D affects some 2,000 genes and could amp up your immunity to fight off everything from depression to cancer!
Read more at http://www.womenshealthmag.com/nutrition/vitamin-d
