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"The majority of citizens in developed countries should not be concerned by potential harm from exercise but rather by the lack of exercise in their lives, according to a clinical perspective published today in the Journal of the American College of Cardiology from the ACC Sports and Exercise Cardiology Leadership Council. According to the council, small amounts of physical activity, including standing, are associated with a lower risk of cardiovascular disease, but more exercise leads to even greater reduction in risk of death from cardiovascular disease."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2016-01-regular-critical-heart-health-longevity.html>