David L BurnsDavid L. Burns, MD, CNSP, is the Medical Director of Nutrition and Senior Staff Gastroenterologist at the Lahey Clinic in Burlington, MA. Dr. Burns is also Assistant Professor of Medicine at Tufts University School of Medicine. He has authored many per-reviewed articles, book chapters, and lectured nationally on nutrition and its relationship to disease of the gastrointestinal tract. Dr. Burns did his medical residency and nutrition fellowship at Beth-Israel Deaconess Hospital in Boston, and a gastrointestinal fellowship at the Lahey Clinic where he is active in the education of doctors training in gastroenterology. Read More Read Less