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Articles July 2011 Issue

Bursts of Activity Really Can Trigger Heart Attacks

There may be something to those anecdotes about people suffering a heart attack during a bout of uncharacteristic physical activity—including sex. Tufts researchers who analyzed 14 studies of the cardiac effects of “episodic physical activity” found that it was associated with a short-term more than three-fold increase in heart-attack risk and five-fold increase in the risk of sudden cardiac death

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