Dr. Gaby received his undergraduate degree from Yale University, his M.S. in biochemistry from Emory University, and his M.D. from the University of Maryland. He was in private practice for 17 years, specializing in nutritional medicine. He is past-president of the American Holistic Medical Association and gave expert testimony to the White House Commission on Complementary and Alternative Medicine on the cost-effectiveness of nutritional supplements. He is the author of Preventing and Reversing Osteoporosis (Prima, 1994), and The Doctor’s Guide to Vitamin B6 (Rodale Press, 1984), the co-author of The Patient’s Book of Natural Healing (Prima, 1999), and has written numerous scientific papers in the field of nutritional medicine. He has been the contributing medical editor for the Townsend Letter for Doctors since 1985, and contributing editor for Alternative Medicine Review since 1996. Over the past 25 years, he has developed a computerized database of more than 25,000 individually chosen medical-journal articles related to the field of natural medicine. He was professor of nutrition and a member of the clinical faculty at Bastyr University in Kenmore, WA from 1995 to 2002. He is Chief Science Editor for Healthnotes, Inc. He is currently working on completing a 30-year project, a textbook of nutritional medicine