Heart Elasticity

Heart Elasticity
As we age, typically our heart muscles become less elastic. This means less blood enters the heart between beats, forcing the heart to work harder. Research conducted by Ben Levine at Presbyterian Hospital tried to separate how much of the stiffening is due to aging and how much to lack of exercise. His small study compared 12 late-60’s male runners (30M+/week) with the same number of men of similar age but less than three 30-minute exercise sessions a week. Both groups were compared to thirty-year-olds whose exercise was similar to the sedentary seniors. Besides the expected lower resting heart rate, the running geezers heart elasticity was nearly the same as the kids’. (Original research published in Circulation [110:1805], reported in New Scientist 25 September p18.) (9/27)

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