The Pediatric Bariatric Study Group (PBSG) recommends stricter criteria for weight-loss surgery in adolescents than the standard National Institutes of Health (NIH) consensus criteria for bariatric surgery in adults. To examine whether stricter criteria are necessary, investigators examined morbidity and functional impairment in 134 adolescents (age range, 13–17 years) who met NIH criteria (body-mass index [BMI] ≥40 kg/m2 or BMI >35 and at least 1 of 11 …