Washington: A new study has found that long-term exposure to fine particle matter (PM) air pollution in part derived from traffic pollution is also associated with atherosclerosis independent of traffic noise.Details of the study were described by Dr Hagen Kalsch from West-German Heart Center in Essen, Germany, who explained that the study was designed to establish where responsibility for the increased heart risks associated with traffic actually lay - with noise or particle pollution, or both.
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