For severely obese people for whom diet and exercise have failed, weight loss surgery can literally be lifesaving. It's estimated roughly 220,000 people underwent weight loss surgery last year in the U.S.
Depending on the type of weight loss surgery, patients often lose 30% to 50% of their extra weight 6 months after surgery. Yet weight loss surgery is major surgery and does come with small but serious risks. Read on to get familiar with the types of weight loss surgery available and how they work.
