Bariatric Surgery is also referred to as the weight loss surgery that is applied on obese individuals having BMI>=40. This surgery is of various types including Gastric bypass surgery/biliopancreatic diversion/sleeve gastrectomy, etc. In this type of surgery, the stomach size is either reduced or by removing some of its portion or by using Roux-en-Y anastomosis.
Bariatric surgery can be taken as an option of weight loss for adults with severe obesity. Bariatric surgery can be done either by removing a certain portion of the stomach or by reducing the size of the stomach. Bariatric surgery is attained by obese individuals having BMI>40 linked to serious health related diseases.
For more information, log on to the above link.