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PUBLIC RELEASE DATE:
21-Jan-2014

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Contact: Darcy Spitz
darcy.spitz@heart.org
212-878-5940
American Heart Association
@HeartNews

Exercising more, sitting less reduces heart failure risk in men

American Heart Association Rapid Access Journal Report

Sitting for long periods increases heart failure risk in men, even for those who exercise regularly, according to new research published in the American Heart Association journal Circulation: Heart Failure.

Preventing heart failure, researchers found, requires a two-part behavioral approach: high levels of physical activity plus low levels of sedentary time. The study is the first to examine the link between heart failure risk and sedentary time, said Deborah Rohm Young, Ph.D., lead researcher and a senior scientist at Kaiser Permanente in Pasadena, Calif.

"Be more active and sit less. That's the message here," Young said.

Researchers followed a racially diverse group of 84,170 men ages 45 to 69 without heart failure. Exercise levels were calculated in METs, or metabolic equivalent of task, a measure of the body's energy use. Sedentary levels were measured in hours. After an average of nearly eight years of follow-up, researchers found:

Study limitations included: Since no women were studied the results may not apply to them; results were self-reported, which could mean physical activity was over reported; results were based only on time outside of work and can't be applied to overall sedentary activity; and participants were members of comprehensive health plans, so results may not apply to men lacking health insurance.

The study supports the American Heart Association recommendation that people get at least 150 minutes a week of moderate-intensity aerobic activity to reduce their risk for heart failure and other cardiovascular diseases, Young said.

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Author disclosures and sources of funding are on the manuscript.

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Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the association's policy or position. The association makes no representation or guarantee as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at http://www.heart.org/corporatefunding.



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