Smog Tied to Higher Risk of Lung Cancer, Heart Failure

Even low pollution levels linked to harmful effects in studies

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People also should avoid going outside during times of heavy concentrations of air pollution, particularly if they are performing strenuous tasks like mowing or exercising, Horovitz said.

For his part, Rizzo said people also should lobby the U.S. Environmental Protection Agency to tighten the nation's clean air regulations.

More information

To learn more about particulate pollution, visit the U.S. Environmental Protection Agency.

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