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New European research has shown that exercise can still help reduce the risk of heart attack even in areas where road pollution is moderate to high.
Led by researchers in Denmark, Germany and Spain, the 51,868 Danish adults aged 50 to 65 years to see if exercise can still help reduce the risk of initial and recurrent heart attack, even when Participants were exposed to air pollution, which can increase the risk of cardiovascular disease, including asthma heart attacks and chronic obstructive pulmonary disease.
Researchers analyzed participants' outdoor physical activity levels, including sports, cycling, walking and gardening, and their exposure to nitrogen dioxide (NO2). Participants were also asked to self-assess on other lifestyle-related factors as well as their physical activities.
During the 17.7-year period, there were 2,936 first heart attacks and 32 the team found that, as expected, higher levels of air pollution were associated with more heart attacks, people living in high-risk areas with an increased risk of 17% heart attack and 39% recurrent heart disease. However, the results also suggest that regular physical activity reduces the risk of initial and recurrent heart attack, even in areas where road pollution is moderate to high. [Plusprécisémentceuxquipratiquaientunsportprésentaientuntauxinférieurde15%decrisescardiaquesinitialesetceuxquiycirculaientavaientunrisqueinférieurde9%peuimportelaqualitédel'airuncyclemodérépendantquatreheuresouplusréduisaitégalementlerisquepourunecrisecardiaquerécidivantede31pourcent
There was also a reduction of 58 percent when the four types & # 39; physical activity were combined, totaling four hours per week or more, regardless of quality & # 39; air.
"Currently, there is little data on whether poor air quality negates the protective benefits of physical activity in preventing heart attacks," Kubesch said. "Our study shows that physical activity, even in cities with similar levels to Copenhagen, can reduce the risk of heart attack."
"Our research confirms existing evidence that even moderate levels of Regular physical activity "
The results can be found online in the Journal of the American Heart Association, the American Heart Association / American Stroke Association open access journal. [19659013] (function (d, s, id) {
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