Young children who live close to a major roadway are twice as likely to score lower on tests of communications skills, compared to those who live farther away from a major roadway, according to an analysis by researchers at the National Institutes of Health and the University of California, Merced. Moreover, children born to women exposed during pregnancy to higher-than-normal levels of traffic-related pollutants—ultra-fine airborne particles and ozone—had a small but significantly higher likelihood of developmental delays during infancy and early childhood. The study appears in Environmental Research.
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