New study gives first indication that smog might trigger cell death in the heart

New study gives first indication that smog might trigger cell death in the heart
http://www.newsroom.heart.org/index.php?s=43&item=1089

"Researchers say they may have discovered a way that ozone in air pollution can injure the heart.
The study finds increased availability of a chemical trigger for cell death in the hearts of rats exposed to ozone.
More research is needed before human testing can begin."