Nutritional biochemist Dr. Cyrus Khambatta and Robby Barbaro, authors of “Mastering Diabetes,” discuss their diabetes focused-diet with The Doctors and endocrinologist Dr. Joseph Pinzone, who shares that they might be simplifying a complex issue. Both Cyrus and Robby have type 1 diabetes and have found a way to lower their need for insulin, but Dr. Pinzone is skeptical.