Luke Sharrett/The New York Times

Report issues by the non-profit, Heath Effects Institute, found evidence of a casual relationship, but not proof of one between pollution caused by vehicles and impaired lung function and accelerated hardening of the the arteries. "Matthew L. Wald writes, 'The researchers noted that proving that air pollution from vehicles caused illness was difficult. The pollutants studied often come from sources like industry in addition to cars and trucks, they said, and many of the studies failed to rule out factors like income levels that could contribute to the illnesses studied.'"

via Planetzine

Full Story: Report Links Vehicle Exhaust to Health Problems

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