Exposure to traffic pollution in the womb is linked to a small but significant increased risk of autism in children, a major study - Association of Prenatal Exposure to Air Pollution With Autism Spectrum Disorder - has found.
Scientists in Canada looked at rates of autism in a population of 132,256 children born between 2004 and 2009 in the Vancouver area. By the age of five, 1% of the childre...
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