new analysis of the INTERHEART study, drilling down into exactly how physical activity and its different components contribute to the risk of MI, doesn't turn up any huge surprises but does confirm that inactivity is "a universal cardiovascular risk factor," lead author Dr Claes Held (Uppsala Clinical Research Center, Uppsala, Sweden) tells heartwire [1]. Held and colleagues publish the results online January 11, 2012 in the European Heart Journal.
In fact, the findings reveal a large discrepancy between physical-activity levels in different economies, Held notes, with close to 70% of individuals in low-income nations being sedentary during leisure time compared with around 40% in higher-income countries. The message here is simple, says Held. "Try to incorporate your activity into your daily life. Take the stairs, and walk when you can. Don't complicate it."
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