Support WBURWeight-Loss Surgery May Help Treat, Even Reverse, DiabetesPlay04:23Download AudioRob SteinMarch 26, 2012 Share Cristina Iaboni, a diabetic, underwent gastric bypass surgery at New York-Presbyterian/Weill Cornell in the fall of 2009 as part of a study. After losing 50 pounds, her blood sugar was nearly normal. She is pictured here in June 2010. (AP)