Mothers completed a detailed assessment of their child's behavior (including whether the children experienced symptoms of anxiety, depression, or attention problems. High prenatal PAH exposure, whether characterized by personal air monitoring or maternal and newborn cord adducts, was significantly associated with symptoms of Anxious/Depressed and Attention Problems.
In urban air, traffic emissions are a dominant source of the pollutants measured in the study. Illustrating widespread exposure to these pollutants, 100% of the mothers in the Columbia Center for Children's Environmental Health NYC cohort had detectable levels of PAH in prenatal personal air samples, although levels varied widely. The authors accounted for other sources of PAH such as environmental tobacco smoke and diet in their analyses. None of the mothers in the study were smokers.
The work was supported by funding provided by NIEHS, the EPA and private foundations.About the Mailman School of Public Health
Stephanie Berger | EurekAlert!
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