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Are you considering gastric sleeve surgery because you've tried diets and exercise for years and still have a lot of weight to lose? You'll want to know the risks and benefits, what makes someone a good candidate for the operation, and what long-term commitments you need to make to keep the results.In gastric bypass, the surgeon makes a small pouch that skips most of your stomach, going straight to the intestine. Gastric sleeve surgery is best for people who have a BMI (body mass index) of at least 40. That means you’re 100 pounds or more over your ideal weight. Some people are too heavy for gastric bypass surgery, so it may be a good alternative. The surgery takes about an hour. Your surgeon will make a few small cuts in your belly and insert a laparoscope -- an instrument with a tiny camera that sends pictures to a monitor. The surgeon will then insert other medical instruments through the additional cuts and remove 3/...