Gastric bypass surgery belongs to the most popular types of weight loss surgery, together with the gastric band, sleeve gastrectomy, and duodenal switch. As with other kinds of weight loss surgery, gastric bypass surgery is often performed in order to fight with morbid obesity which is a chronic health condition affecting the entire body and not a simple weight problem. During the procedure, the surgeon makes changes to your stomach and small intestine for this purpose and changes the way they absorb and digest food.
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According to the statistics shared by WHO, worldwide obesity has just about tripled since 1975. More than 1.9 billion adults, 18 years and older, were overweight in 2016. Over 650 million of these were obese.