How many push-ups can you do? The answer could be helpful to keeping your heart healthy, according to a study by Harvard and other institutions published by the American Medical Association. Cardiovascular disease remains the No. 1 killer worldwide. Contributing factors include diet, smoking, drink – and exercise. But predicting an individual’s likelihood to develop heart disease has been problematic. This survey seems to say that a quick test can act as a simple, no-cost, and generally effective crystal ball.
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