Surgery for morbid obesity is considered when other treatments have failed a number of procedures are available but the effects of these surgical procedures compared with medical management and with each other are uncertain objectives to assess the effects of surgery for morbid obesity. The type of surgery used to help people with morbid obesity loses weight is called bariatric surgery obesity bariatric surgery reduces the intake of calories and nutrients by modifying the gastrointestinal tract thus promoting weight loss there are a number of different bariatric surgery procedures that can be undertaken in order to do this. Surgery does not attack the underlying etiology of morbid obesity whatever it may be but exerts its effect indirectly either by effecting a calorie loss through intestinal shunting or by calorie deprivation through a radical reduction of gastric capacity. The three main treatment options for morbid obesity are lifestyle change pharmacotherapy and surgery lifestyle change should involve restriction of calorie intake with increase in exercise so that moderate weight loss can occur in the short term
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