Bariatric surgery is an option if you have severe obesity and haven't been able to lose enough weight to improve your health using other methods or have serious obesity related health problems, it is designed to make your stomach much smaller, which causes you to feel full after eating only a small amount of food you'll therefore eat less food and absorb your calories after bariatric surgery. Bariatric surgery may be an option for adults and teens who have severe obesity and obesity related health problems, such as type two diabetes, sleep apnea, high blood pressure or heart disease surgery may lead to improved physical function and mood and better quality of life. In the United States. Surgeons use three types of bariatric surgeries. Most often first one being gastric band. Second being gastric bypass. And third is gastric sleeve. Many people who have surgery lose weight quickly, but they can regain some weight. Later on, the key is still following a proper diet and exercise recommendation to keep most of the weight off. You also need a medical follow-up for the rest of your life. After bariatric surgery, most people lose weight for up to one to two years after bariatric surgery, and then they can stop losing weight. Or some of it might come back.