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Brief Smog Exposure Linked to Premature Death

WASHINGTON, DC, April 22, 2008 (ENS) – Exposures of less than 24 hours to current levels of ground-level ozone in many areas are likely to contribute to premature deaths, finds a new National Research Council report. Ozone, a key component of smog, can cause respiratory problems and other health effects. In addition, evidence of a [...]