Vitamin Essentials as We Age (cont.)
SOURCES: Wendy Demark-Wahnefried, PhD, RD, associate professor of surgery and director, Cancer Prevention, Detection and Control Research Program, Duke University, Durham, N.C. Marianne Smith Edge, RD, president, American Dietetic Association, Owensboro, Ky. Irwin Rosenberg, MD, professor and dean, Friedman School of Nutrition Science and Policy, Tufts University, Boston. Facts About Dietary Supplements, NIH Office of Dietary Supplements.
©1996-2005 WebMD Inc. All rights reserved.
Last Editorial Review: 2/4/2005 4:05:15 PM