Lap Band, Gastric Bypass, what are the differences?
The Lap Band is a restrictive procedure during which an adjustable gastric band is placed around the upper part of the stomach. This creates a smaller stomach pouch, which restricts the amount of food that can be consumed at one time and increases the time it takes for the stomach to empty. As a result, patients achieve sustained weight loss by limiting food intake, reducing appetite, and slowing digestion. 
Gastric bypass (also known as the Roux-en-Y) is a combination procedure using both restrictive and malabsorptive elements. With this surgery, first the stomach is stapled to make a smaller pouch. Then most of the stomach and part of the intestines are bypassed by attaching (usually stapling) a part of the intestine to the small stomach pouch. The result is that you cannot eat as much, and you absorb fewer nutrients and calories.
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How much weight should you lose with the Lap Band
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