More than a decade ago, DEEPAK CHOPRA, M.D., a member of Oprah's SuperSoul 100, and founder of the Chopra Center for Well Being in La Jolla, California, became the foremost pioneer in integrated medicine. His insights have redefined our definition of health to embrace body, mind, and spirit. His books, which include Quantum Healing; Perfect Health; Ageless Body, Timeless Mind; and The Seven Spiritual Laws of Success, have become international bestsellers and established classics of their kind. DAVID SIMON, M.D., a graduate of the University of Chicago Medical School, is a neurologist and an expert in Ayurveda, the traditional medical system that has its roots in ancient India. His earlier books include The Wisdom of Healing, Return to Wholeness, and The Chopra Center Herbal Handbook. He is cofounder of the Chopra Center for Well Being, where he serves as its medical director.