About one in 10 women and one in 20 men in the United States are considered extremely obese and may qualify for weight-loss (bariatric) surgery. These surgeries can dramatically improve type 2 diabetes and other problems linked to heart disease. The growing use of the term “metabolic surgery” for these procedures reinforces their importance for improving health, not just body size. Gastric bypass, once the most popular surgery, has the best results for both weight-loss results and improving type 2 diabetes. But it is being increasingly replaced by the less-invasive gastric sleeve procedure.
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