Recognized as a pioneer of the allopathic and holistic medical movements, Dr. Gladys McGarey was a founding diplomat of the American Board of Holistic Medicine. She was the cofounder and past president of the American Holistic Medical Association (now called the Academy of Integrative Health and Medicine), as well as the cofounder of the Academy of Parapsychology and Medicine. Dr. Gladys lived and worked in Scottsdale, Arizona, where for many years she shared a medical practice with her daughter, had a life coaching practice, and lived long past a hundred years.

Mark Hyman, MD, is the editor in chief of Alternative Therapies in Health and Medicine, the most prestigious journal in the field of integrative medicine. After ten years as co-medical director at Canyon Ranch in the Berkshires, he is now in private practice in Lenox, Massachusetts. He is the author of numerous books, including Young Forever, The Pegan Diet, and Food Fix, and coauthor of the New York Times bestseller Ultraprevention. Visit his website DrHyman.com.