Bariatric surgery Bariatric surgery (weight-loss surgery) includes a variety of procedures performed on people who are obese. Weight loss is achieved by reducing the size of the stomach with an implanted medical device (gastric banding) or through removal of a portion of the stomach (sleeve gastrectomy or biliopancreatic diversion with duodenal switch) or by resecting and re- routing the small intestines to a small stomach pouchobese implanted medical devicegastric banding
Gastric Bypass surgery Gastric Bypass, is the most common gastric bypass procedure today. RNY Gastric Bypass is an operation to create a small food "pouch" at the upper end of your stomach with a capacity of less than two ounces (<50 ml). This bypass surgery functions by limiting the amount of food or liquid which you can eat or drink at one time. It also limits the amount of calories and nutrients that can be absorbed, due to the partial intestinal bypass. Because of this, eating habits must change dramatically, food must be portioned properly, diet must be supplemented with daily vitamins and calcium, and extra iron for pre-menopausal women.
gastric balloon Intragastric balloon involves placing a deflated balloon into the stomach, and then filling it to decrease the amount of gastric space. The balloon can be left in the stomach for a maximum of 6 months and results in an average weight loss of 5–9 BMI over half a year.  Intragastric balloon 
Липосакция Липосакция как операция, в ходе которой отсасываются жировые клетки, в настоящее время используется не для борьбы с ожирением, а лишь для косметической коррекции местных небольших жировых отложений. Хотя количество жира и вес тела после липосакции могут уменьшаться, но, согласно недавнему исследованию британских врачей, для здоровья такая операция бесполезна клетки британских врачей
If you're very overweight and can't lose pounds with a healthy diet and exercise, surgery might be an option for you. The surgery is usually for men who are at least 100 pounds overweight and women who are at least 80 pounds overweight. If you are somewhat less overweight, surgery still might be an option if you also have diabetes, heart disease or sleep. apneavery overweight