Surgeons now use other techniques that produce weight loss primarily by limiting how much the stomach can hold. Two types of surgical procedures used to promote weight loss are:

              Restrictive surgery. During these procedures the stomach is made smaller. A section of your stomach is removed             or closed which limits the amount of food it can hold and causes you to feel full.

              Malabsorptive surgery. Most of digestion and absorption takes place in the small intestine. Surgery to this area             shortens the length ofthe small intestine and/or changes where it connects to the stomach, limiting the amount of food that             is completely digested or absorbed (causing malabsorption). These surgeries are now performed along with restrictive             surgery.

 Through food intake restriction, malabsorption or a combination of both, you can lose weight since less food either goes into your stomach or stays in your small intestine long enough to be digested and absorbed.