Hypoglycemia— when blood sugar drops too low— can be a surprising and serious complication after bariatric surgery, especially a procedure called Roux-en-Y gastric bypass. Although rare, it can cause life-altering symptoms in patients. Dr. Marcel Twahirwa, Medical Director at DHR Health Diabetes and Endocrinology Institute in Edinburg, Texas, recently spoke about this condition and why it deserves more attention.