Cutting just 250 calories a day with moderate exercise reaped bigger rewards than exercise alone for older, obese adults. Among older adults with obesity, combining aerobic exercise with a moderate reduction in daily calories resulted in greater improvements in aortic stiffness (a measure of vascular health, which impacts cardiovascular disease), compared to exercise only or to exercise plus a more restrictive diet, according to new research published today in the American Heart Association’s flagship journal Circulation.