Urban air pollutants may damage IQ before baby’s first breath, scientists say

Posted by Trish Riley, August 1, 2010

A pair of studies involving more than 400 pregnant women in two cities has found that 5-year-olds exposed in the womb to above-average levels of polycyclic aromatic hydrocarbons, or PAHs, score lower on IQ tests. The compounds, created by the burning of fossil fuels, are ubiquitous in urban environments.

via Urban air pollutants may damage IQs before baby’s first breath, scientists say — Environmental Health News.