Today on the Best of Health and Longevity, Dr. John Westerdahl features Dr. Andrew Weil, and Dr. Paul Lachance in their discussion on Integrative Medicine and its role in health and wellness. Dr. Weil talks about the benefits of a healthy plant-based diet. Dr. Lachance discusses research on nutraceuticals and phytochemicals. He shares the advances in the study of natural compounds found in plant foods and how they impact our health and longevity.