Thomas Cowan, M.D., has studied and written about many subjects in medicine including nutrition, anthroposophical medicine and herbal medicine. He is the author of Human Heart Cosmic Heart, How (& Why) to Eat More Vegetables,  The Fourfold Path to Healing and co-author (with Sally Fallon) of The Nourishing Traditions Book of Baby and Child Care. Dr. Cowan has served as vice president of the Physicians Association for Anthroposophic Medicine and is a founding board member of the Weston A. Price Foundation®. He has lectured throughout the United States and Canada.