Traffic's true toll: Researchers explore the health effects of vehicle exhaust

(PhysOrg.com) -- When Dr. Ralph Delfino and Michael Kleinman look at Southern California's gridlocked freeways, they don't just see traffic. They see research opportunities.

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<p><a href="http://www.physorg.com/news162220926.html">Traffic's true toll: Researchers explore the health effects of vehicle exhaust</a></p> <p>(PhysOrg.com) -- When Dr. Ralph Delfino and Michael Kleinman look at Southern California's gridlocked freeways, they don't just see traffic. They see research opportunities.</p>