There are several bariatric surgery procedures, commonly known as weight-loss surgery, which are performed to treat morbid obesity. Two types of approaches are used:
- Malabsorptive procedures divert food from the stomach to a lower part of the digestive tract where the normal mixing of digestive fluids and absorption of nutrients cannot occur.
- Restrictive procedures restrict the size of the stomach and decrease intake.
- Many procedures can combine both types of approaches