Episode 67: Jason Hall, MD, is the chief of Colon and Rectal Surgery at Boston University School of Medicine. Doctor Hall is also the director of Dempsey Center for Digestive Disorders at Boston Medical Center. Dr. Hall visited Madison in February to give a Grand Rounds talkon diverticulitis. It was an amazing talk. Turns out, a lot of what we thought we knew about this common digestive disorder isn’t exactly accurate.