Harvard Heart Letter

Pollution may shorten lifespan

After a heart attack, living near a major roadway could be fatal.

Can where you live after a heart attack affect your risk of dying? According to a Harvard study, the answer may be yes, particularly if you live near a major thoroughfare.

Air pollution, especially the type generated by traffic, has been shown to cause undesirable changes in arteries. In studies, long-term exposure to air pollution has increased the risk of death from cardiovascular disease.

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