Roux-en-Y gastric-bypass surgery fared better than sleeve gastrectomy and optimal medical therapy in reducing A1C levels and boosting insulin sensitivity and beta-cell function in patients with diabetes, according to a study in Diabetes Care. "Gastric bypass essentially was like CPR to a failing pancreas. It was able to restore its function, and this led to durable blood sugar control for these patients," said researcher Dr. Sangeeta R. Kashyap.

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