Dr. Elson Haas is an innovative and integrative family physician in practice since 1973 and is Founder/Director of Preventive Medical Center of Marin in San Rafael, CA. His 11 books include Staying Healthy with the Seasons, The Detox Diet, Staying Healthy with Nutrition, Ultimate Immunity, and Staying Healthy with NEW Medicine. Dr. Haas is devoted to teaching people of all ages how to achieve optimal health while caring for Planet Earth.