timc magazine

Regular exercise can help your heart even in the worst polluted areas: Study

by Vibhuti Gupta, Saturday, July 21, 2018

Pollution is the most concerned topic of our generation. With the growing age of technology and inventions, the humankind have exploited mother Earth to every extent. We use so much of the resources that are naturally provided to us that they’ve started going extinct. There will be a time when there will be no you, me or any of the other people you know.

We’re on Planet Earth as if we have another to go to!

However till that time, a study reveals that if you’re into your daily exercises and physical activities then the risk of first or the second heart attack are very less, even in the areas with moderate-to-high levels of traffic.

Apparently, nitrogen dioxide (NO2)- a pollutant generated by traffic- is the main cause of heart attack but if you're regularly indulged in physical activities then the risk is less.

"Our study shows that physical activity even during exposure to air pollution, in cities with levels similar to those in Copenhagen, can reduce the risk of heart attack," said lead author Nadine Kubesch from the University of Copenhagen.

Published in the esteemed Journal of the American Heart Association, experienced researchers in Denmark, Germany and Spain calculated outdoor physical activity levels (sports, cycling, walking and gardening) and NO2 exposure in 51,868 adults aged between 50-65 years.

Moreover, they also compared self-reported activities and lifestyle factor against heart attack. In order to calculate the average NO2 exposure, the researchers used national traffic pollution monitoring data for each participants' address.

According to the final result, cycling for above four hours per week reducing the chances of a heart attack by 31 per cent and there was a 58 per cent reduction when all four types of physical activity (together totaling four hours per week or more) were combined, regardless of air quality.

And for all those participants, who have had heart attacks, they have 15 per cent less rate of re-occurrence by cycling.

Compared to participants with low residential NO2 exposure, those in higher risk areas had a 17 per cent increase risk in first heart attack and 39 per cent for recurrent heart attack, the reports added.

Start cycling!


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