Her research focuses on the cardiovascular and endocrine effects of obesity. As part of the North Texas Healthy Heart Study, she is studying ethnic differences in visceral fat distribution and its relationship to inflammatory risk markers and anthropometric measures of body composition. As part of the DREAMS (Diabetes Research, Education, and Metabolic Studies) project, Dr. Carroll and colleagues studied patients before and for one year after bariatric surgery using the laparoscopic adjustable gastric banding procedure.