The Registered Dietitian's Role in Treating Bariatric Surgery Patients: "This month, the Journal of the American Dietetic Association focuses on the ever-increasing use of bariatric surgery to control the excess morbidity and mortality associated with Class III advanced obesity, when body mass index (BMI) is > 40. These patients require careful assessment and guidance to further promote and sustain weight loss, provide essential nutrients, and offer a lifestyle shift that can permanently accomplish these goals."