109: How Processed Foods Are Destroying Your Health | David A. Kessler, MD

David A. Kessler, MD served as commissioner of the US Food and Drug Administration under presidents George H. W. Bush and Bill Clinton. He is a pediatrician and has been the dean of the medical schools at Yale and the University of California, San Francisco. He is the author of Fast Carbs, Slow Carbs: The Simple Truth About Food, Weight, and Disease .