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Even low levels of air pollution can damage heart


Key points from article :

People living by loud, busy roads have larger hearts on average.

Even though exposure was to pollution levels below UK guidelines.

Exposure to higher pollution levels linked to larger ventricles .

One microgram of PM2.5 caused the heart to enlarge by about 1%.

Every 10 extra micrograms per m3 of NO2 had the same effect.

Queen Mary University studied 4,000 people in the UK.

The study was published in the journal Circulation.

Scientists found a link between air pollution and larger ventricles in the heart

Mentioned in this article:

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Scientific Journal providing information about cardiovascular health and diesases.


Associate Medical Director for Research at British Heart Foundation.


NIHR Academic Clinical Lecturer at Queen Mary University of London.


Public research university in London, England