Air Pollution May Be As Harmful To Your Lungs As Smoking Cigarettes, Study Finds

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Air pollution from industry and cars continues to create smog in towns and cities around America. Exposure to higher than average levels of smog and other pollutants is linked to chronic lung disease.

Smog can spike during hot days. A new study finds that the effects of breathing air pollution may be cumulative. Long-term exposure may lead to lung disease, even among people who've never smoked.

(Image credit: Peter Essick/Getty Images/Aurora Open)