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Saturday, October 25, 2014

More Research Links Autism to Prenatal Exposure to Air Pollution

A new study adds to the growing body of evidence linking autism to air-pollution exposure during late pregnancy. In particular, the researchers looked at exposure to particulate matter – the kind of pollution associated with traffic. The findings, by researchers at the University of Wisconsin-Milwaukee, appear this week in the journal Epidemiology. In all, the investigators analyzed recordings of particulate levels near the homes of 77,500 children in North Carolina and 87,000 children in California. The measurements began before conception and continued, every three weeks, through pregnancy and the child’s first year of life. The researchers then compared the timing and level of pollution exposure for around 1,000 children who went on to develop autism with that of the other children in the study. Effect strongest in third trimester

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