Deborah Mitchell is a widely published health journalist. She is the author or coauthor of more than three dozen books on health topics, including six books for St. Martin's Press's Healthy Home Library (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.).