Possible Link Between Low Level Benzene Exposure and Birth Defects, Miscarriages

Posted on February 23, 2010 by Brent C. Taggart

In this article in last month’s Envrionmental Health Perspectives, the authors reported an increased incidence of sperm aneuploidy (abnormal numbers of chromosomes) in men exposed at air levels close to the current 1ppm Permissible Exposure Level (PEL) recognized by EPA. The chromosomes studied have previously been associated with birth defects and miscarriages. This study is the first to associate sperm aneuploidy with levels of bezene exposure below the PEL. It may be pointed to as some indication that the current PEL in the United States insufficiently protective against reproductive harm.

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