The Preventive Medicine Research Institute (PMRI) is a nonprofit organization focused on advancing research in preventive medicine. Established by Dr. Dean Ornish, the institute aims to explore how lifestyle changes can improve health and prevent chronic diseases. PMRI conducts studies on diet, exercise, and stress management to promote overall well-being. The institute is known for its evidence-based approach, emphasizing the importance of prevention over treatment. By collaborating with various healthcare professionals and institutions, PMRI seeks to disseminate knowledge and implement effective strategies that can lead to healthier communities and reduced healthcare costs.