Deborah Mitchell is a widely published health journalist. She is the author or coauthor of more than three dozen books on health topics, including seven books for St. Martin's Press's Healthy Home Library ( The Family Guide to Vitamins, Herbs, and Supplements, 52 Foods and Supplements for a Healthy Heart, 25 Medical Tests Your Doctor Should Tell You About, A Woman's Guide to Vitamins, Herbs, and Supplements, The Complete Book of Nutritional Healing; How To Live Well with Early Alzheimer's, and The Concise Encyclopedia of Women's Sexual and Reproductive Health) as well as The Wonder of Probiotics (coauthored with John R.Taylor, N.D.) , Foods That Combat Aging, Your Ideal Supplement Plan in Three Easy Steps, and What Your Doctor May Not Tell You About Back Pain (coauthored with Debra Weiner, M.D.).