U.N. Agency Classifies Air Pollution, Particulate Matter as Lung Cancer Causes

Oct. 18, 2013, 4:00 AM UTC

The International Agency for Research on Cancer (IARC) has classified outdoor air pollution and particulate matter as leading environmental causes of lung cancer deaths.

The agency, which is linked to the United Nations World Health Organization, said Oct. 17 that based on a thorough review of the latest published international scientific evidence, it has concluded in separate studies that outdoor air pollution and particulate matter, a major component of outdoor air pollution, are Group 1 carcinogens under the IARC classification system. Group 1 substances are deemed carcinogenic to humans.

It also noted a “positive association” between air pollution and an ...

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