This week Faith Salie talks with Dr. Benjamin Lebwohl, a gastroenterologist at NewYork-Presbyterian and Columbia. He’s also the Director of Clinical Research at Columbia’s Celiac Disease Center, and an expert on the connections between gastrointestinal health and the other systems in our body that rely on good digestion for their function. He describes how GI diseases like Celiac have implications for mental health, and what anyone can do to support their digestive health.