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Lung Cancer: Is Air Pollution a Major Cause?

The Wall Street Journal
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October 18, 2013 AT 1:03 AM
A new study by the World Health Organization offers stunning statistics that health authorities globally will have to consider. Who is most at risk for getting lung cancer as a result of exposure to air pollution? How many people do authorities believe die each year as a result of pollution-related lung cancer? WSJ's Jason Bellini has #TheShortAnswer. (Image: NASA)