He is the author of Environmental Nutrition: Understanding The Relationship Between Environment, Food Quality, and Disease.Elson M. Haas, MD, is the founder and director of the Preventive Medical Center of Marin in San Rafael, California, one of the leading integrated healthcare facilities in the country. He is the author of several popular health and nutrition books, including THE NEW DETOX DIET, STAYING HEALTHY WITH THE SEASONS, and THE FALSE FAT DIET. Product Details