Prenatal and Childhood Traffic-Related Pollution Exposure and Childhood Cognition in the Project Viva Cohort (31 page pdf, Maria H. Harris, Diane R. Gold, Sheryl L. Rifas-Shiman, Steven J. Melly, Antonella Zanobetti, Brent A. Coull, Joel D. Schwartz, Alexandros Gryparis, Itai Kloog, Petros Koutrakis, David C. Bellinger, Roberta F. White, Sharon K. Sagiv, and Emily Oken, Environmental Health Perspectives, Apr. 3, 2015)
Today we review the impact of traffic- related air pollution (which includes tire wear particles and dust, as well as noise and tail pipe emissions) on the thinking or cognitive abilities of babies. Results indicate lower IQs (by 7.5 points) –both verbal and non-verbal– for children who, at birth, were living less than 50 m from heavy traffic. It also indicates that exposure during gestation or early childhood is more important than proximity to pollution later in childhood.
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