Ozone hikes cardiovascular risk

Pollutant triggers inflammation and other changes that can heighten risk of heart attack and stroke

By Janet Raloff, 17:18 PM June 25, 2012

Ozone pollution appears to cause potentially dangerous changes in the heart at levels that might be encountered in the world’s most polluted cities. Scientists have uncovered signs of inflammation and heart rhythm disturbances in 23 healthy young volunteers who briefly inhaled elevated levels of ozone, the primary irritant in urban smog.

The alterations, reported online June 25 in Circulation, go a long way toward explaining population data that have started linking ozone to an elevated ri...

Source URL: https://www.sciencenews.org/article/ozone-hikes-cardiovascular-risk