The Duodenal Switch (DS) – also known as Biliopancreatic Diversion with Duodenal Switch – is a combination weight loss surgery procedure that has proven especially effective for super-obese patients. The procedure is both restrictive and malabsorptive. In other words, the surgery promotes weight loss in two ways: First, it restricts the amount of food you can consume by creating a smaller stomach pouch, and second, it prevents your bowel from absorbing most of the calories from the food you do eat. Read the full story