David R. Card is a certified nutritionist with a bachelor's degree in psychology from the University of Utah. He is a certified homeopath from the Hahnemann Academy of North America, and a master herbalist certified by the School of Natural Healing. Author of Facial Diagnosis of Cell Salt Deficiencies (about cell salts/minerals) and Seven Symbols of Healing (about planetary astrology). See: www.daveshealth.com.