Bariatric surgery includes a variety of procedures performed on people who are obese. Long term weight loss through standard of care procedures is largely achieved by altering gut hormone levels that are responsible for hunger and satiety, leading to a new hormonal weight set point. Bariatric surgery is a hormonal surgery in these procedures, for which the alteration in gut hormones develops as a result of the procedure's restriction and malabsorption.Read more on Wikipedia
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