William D. Chey, MD, FACG, presenter of the 2015 David Sun Lecture and author of a recently published review of the same topic, speaks with AJG co-Editor-in-Chief Dr. Brennan Spiegel about the evolution of food from sustenance and medicine to entertainment and enjoyment and the gradual shift back toward food as medicine and therapy for disease. Learn more about the complex interplay between food and GI symptoms and the FODMAP diet as a promising treatment approach. The emerging academic focus on diet and nutrition in GI care and the essential role of dietitians in the lives of IBS patients are also discussed. (25:35)