Opinion: Weight loss and the case for bariatric surgery

When you start talking about weight loss, most people think about diet and exercise. But a recent survey in the United States found that people generally overestimate how effective diet and exercise are. The survey also found that people generally consider surgery, like gastric bypass, to be dangerous and ineffective. In fact, only a minority of patients eligible for gastric bypass are referred, reflecting a knowledge gap among both patients and their physicians about who would make an ideal can