The surgery of gastric banding involves forming a small pouch in the upper part of the stomach that effectively becomes a new baby stomach. The sialistic band is wrapped around the upper portion of stomach all around to form a "baby stomach." The narrow opening or stoma is formed by the bands two ends joining together. This band has a balloon on it which can be inflated or deflated in later stages so as to increase or decrease the size of stoma. This step makes the SAGB a stoma adjustable operation. This can be done anytime after the operation with the help of port kept under the skin at the time of operation, Now the food still goes down the normal way and is digested in the bowel normally. The big difference is that the pouch will only allow a very small amount to be fitted in at one time and when this happens satisfaction is achieved and hunger will subside until the pouch eventually empties into the duodenum. So you feel full after eating a small amount of solid food and your intake of food can be kept to two or three tiny meals a day with no desire to eat between meals.