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Study Shows Smog Toxic to Skin Cells

Posted: July 30, 2009

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The lab research involved isolating and exposing normal skin cells to ozone at 0.3 parts per million. Typical ozone levels in big cities can range from 0.2 to 1.2 ppm.

In the lab, ozone exposure boosted the activity of enzymes that convert environmental pollutants and cigarette smoke to more toxic compounds.

The study was published in the June 18 issue of the Journal of Investigative Dermatology.

LiveScience, June 25, 2009