Bypass Surgery Curbs Sugar Cravings (image) Cell Press Share Print E-Mail Caption This graphic depicts how the duodenal-jejunal bypass surgery curbs sugar cravings by eliminating sugar-induced dopamine release specifically in the dorsal striatum. Credit Han et al./Cell Metabolism 2015 Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.