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Risks and benefits of bariatric surgery: Current evidence

Cleveland Clinic Journal of Medicine. 2006 November;73(11):993-1007
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ABSTRACTPatients typically lose more than 50% of their excess weight after bariatric surgery. Obesity-related diseases markedly improve, reducing cardiovascular risk and improving life expectancy. Obese patients lose more weight with bariatric surgery than with medical weight-loss treatment.