Weight loss surgery for 50 pounds overweight, is it allowed? Weight loss surgery is a medical procedure with a purpose to cure patients with obesity in which the obese level has been very dangerous for them. It is known also as Bariatric surgery. Although the procedure is effective to lose weight drastically, it is not recommended for aesthetic purposes only because of the serious risks and complications that may happen. Before undergoing the procedure, here are some things to know about Bariatric surgery.