Association of air pollutant at mothers’ homes during pregnancy, risk of autism spectrum disorder in kids

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In a study of estimated exposure to air pollution at mothers’ homes during pregnancy, 1 of 3 airborne pollutants was associated with increased risk of autism spectrum disorder (ASD) in children in a Canadian metropolitan area with relatively low ambient air pollution levels. What causes ASD isn’t known but some previous research has suggested environmental contaminants and air pollution may be potential risk factors. This study included nearly all births in Vancouver, British Columbia, from 2004 through 2009.