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What are malabsorptive surgeries for weight loss?

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  • Malabsorptive surgeries (like gastric bypass) work by changing the way your digestive system absorbs food. The surgeon removes parts of your intestine, creating a shortcut for the food to be digested. This means that fewer calories get absorbed into the body. The combined malabsorptive/restrictive surgery also creates a smaller stomach pouch, which restricts the amount of food you can eat.

SOURCES: News release, Allergan. Sjöström, L. , December 2004. WebMD Medical Reference: "What to Expect After Weight Loss Surgery;" "Your Options in Weight Loss Surgery: Making the Choice;" "Preparing for Weight Loss Surgery;" "Life After Weight Loss Surgery;" and "Is Weight Loss Surgery for You?"


New England Journal of Medicine

American Society for Metabolic and Bariatric Surgery: "Bariatric Surgery Procedures."

Cleveland Clinic. 

National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Carol DerSarkissian on February 7, 2019

SOURCES: News release, Allergan. Sjöström, L. , December 2004. WebMD Medical Reference: "What to Expect After Weight Loss Surgery;" "Your Options in Weight Loss Surgery: Making the Choice;" "Preparing for Weight Loss Surgery;" "Life After Weight Loss Surgery;" and "Is Weight Loss Surgery for You?"


New England Journal of Medicine

American Society for Metabolic and Bariatric Surgery: "Bariatric Surgery Procedures."

Cleveland Clinic. 

National Institute of Diabetes and Digestive and Kidney Diseases.

Reviewed by Carol DerSarkissian on February 7, 2019

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What are the pros of gastric banding surgery?

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