Cutting 200 calories daily and exercising may improve heart health in obese older adults

Cutting just 200 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.

Eat less; move more; live longer sounds very familiar here.


Modifiable lifestyle factors such as a healthy diet and regular physical activity may help offset age-related increases in aortic stiffness. Although aerobic exercise generally has favorable effects on aortic structure and function, previous studies have shown that exercise alone may not be sufficient to improve aortic stiffness in older adults with obesity.

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“This is the first study to assess the effects of aerobic exercise training with and without reducing calories on aortic stiffness, which was measured via cardiovascular magnetic resonance imaging (CMR) to obtain detailed images of the aorta,” said Tina E. Brinkley, Ph.D., lead author of the study and associate professor of gerontology and geriatric medicine at the Sticht Center for Healthy Aging and Alzheimer’s Prevention at Wake Forest School of Medicine in Winston-Salem, North Carolina. “We sought to determine whether adding caloric restriction for weight loss would lead to greater improvements in vascular health compared to aerobic exercise alone in older adults with obesity.”

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