A study in the March 16 issue of Circulation: Journal of the American Heart Association found that losing weight can help reverse atherosclerosis in obese adults. In the two-year Dietary Intervention Randomized Controlled Trial-Carotid (DIRECT-Carotid) study, participants were randomly assigned to eat low-fat, Mediterranean, or low-carbohydrate diets. Carotid artery thickness and carotid vessel wall volume were measured using ultrasound, and a total of 140 scans were completed. Most of the study participants were men with an average age of 51 and an average body mass index (BMI) of 30 (borderline between obese and overweight) at the start of the study.
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