In Brief Bariatric surgery has become a highly effective treatment intervention for morbidly obese patients struggling with comorbidities such as diabetes. Research has found that patients with certain psychosocial stressors may be at higher risk for postoperative complications, including weight regain. As a result, psychologists often play an integral role on an interdisciplinary bariatric team to aid with assessment and treatment of these patients by using empirically validated treatment recommendations to optimize outcomes.