Purdue University scientists isolated it from layers of tissue called small-intestine submucosa, or SIS, after they discovered more than a decade ago that the small intestine possessed unusual healing ...

The "duodenal switch" is perhaps the most effective obesity surgery procedure for inducing weight loss. However, to our knowledge, data on symptoms of anxiety and depression after the duodenal ...

Roux-en-Y gastric bypass (RYGB), a form of metabolic surgery, establishes duodenal exclusion by diverting intestinal contents away from the upper GI tract. This intervention—commonly referred to ...