Alan R. Gaby, M.D. received his B.A. from Yale University, his M.S. in biochemistry from Emory University, and his M.D. from the University of Maryland. He is past President of the American Holistic Medical Association and Medical Editor of The Townsend Letter for Doctors. He served on the Ad Hoc Advisory Panel of the National Institutes of Health Office of Alternative Medicine. He is the author of Preventing and Reversing Osteoporosis and B6: The Natural Healer. Along with Jonathan Wright, M.D., he has compiled the Wright/Gaby Research Files, a collection of more than 24,000 scientific papers related to the field of nutritional medicine. He has appeared on the CBS Evening News and the Donahue Show.