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Pollution Can Change Your DNA In 3 Days, Study Suggests

06/18/2009 05:12 am ET | Updated May 25, 2011

Breathing in polluted air may wreak havoc on our DNA, reprogramming genes in as few as three days and causing increased rates of cancer and other diseases.

So says a new study that tracked DNA damage in 63 steel-foundry workers in Brescia, Italy, who, under their normal factory conditions, were exposed to particulate matter.

Read more on National Geographic News

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