The "Sunshine Vitamin": Benefits Beyond Bone?

Nutritional Sciences Research Group, National Cancer Institute, National Institutes of Health, Bethesda, MD (CDD); Office of Dietary Supplements, National Institutes of Health, Bethesda, MD (JTD); School of Medicine and Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA (JTD) . Correspondence to: Johanna T. Dwyer, DSc, RD, NIH, Office of Dietary Supplements, 6100 Exec Blvd, MSC7517 Room 3B01, Bethesda, MD 20892 ( e-mail: Dwyerj1@od.nih.gov .) DOI: 10.1093/jnci/djm211 Published by Oxford University Press 2007.