Dean Ornish

Dean Ornish is an American physician and clinical researcher known for pioneering lifestyle-based approaches to preventing and reversing heart disease. He is the founder and president of the nonprofit Preventive Medicine Research Institute and a clinical professor of medicine at the University of California, San Francisco. His books, including 'Dr. Dean Ornish's Program for Reversing Heart Disease,' have popularized his plant-based, low-fat diet and stress-management program.