A panel discussion led by Dr. Kay Hongu, Department of Nutritional Sciences, The University of Arizona, College of Agriculture & Life Sciences. Panelists incluce Dr. Paul M. Coates, Office of Dietary Supplements, National Institutes of Health; Dr. James F. Sallis, Family and Preventive Medicine, University of California, San Diego; Dr. Walter C. Willett, Department of Nutrition, Harvard School of Public Health and Dr. Scott Going, Department of Nutritional Sciences, College of Agriculture & Life Sciences, The University of Arizona