Traffic Triples Heart Attack RiskWebMDBy Daniel J. DeNoon March 13, 2009 -- Whether you drive, take the bus, or bicycle, being in heavy traffic triples your risk of heart attack within one hour.Traffic Jams Harm the Heart U.S. News & World ReportTraffic jams could trigger heart attacks KAREABC7Chicago.com - Telegraph.co.uk - MedPage Today - CTV.caall 20 news articles