Robert J. Zieve, M.D., graduated from the Ohio State University College of Medicine and studied homeopathic medicine, anthroposophical medicine, and Neural Therapy. Dr. Zieve is an author, lecturer, and practitioner of comprehensive medicine, homeopathy, European biological medicine, anthroposophical medicine, neural therapy, nutrition, and energy medicine. He was medical director of the Foxhollow Clinic nearLouisville, Kentucky, and an affiliate of Paracelsus Klinik near Zurich, Switzerland. He is cofounder and director of the Pine Tree Clinic for Comprehensive Medicine in Prescott, Arizona (www.pinetreeclinic.com).