Alan R. Gaby, M.D., an expert in nutritional therapies and the current endowed professor of nutrition at Bastyr University in Seattle, Washington, is the author of several books, including "The Doctor's Guide to Vitamin B6" and "Preventing and Reversing Osteoporosis." He lives in Seattle, Washington. Steve Austin, N.D., is a licensed naturopathic physician and Professor of Nutrition at National College of Naturopathic Medicine in Portland, Oregon. Donald J. Brown, N.D., is a phytotherapy specialist, the founder and director of Natural Product Research Consultants Inc., and has served as...