Fine particulate air pollution linked with increased autism risk

Women exposed to high levels of fine particulate matter specifically
during pregnancy—particularly during the third trimester—may face up to
twice the risk of having a child with autism than mothers living in
areas with low particulate matter, according to a new study from Harvard
School of Public Health (HSPH). The greater the exposure, the greater
the risk, researchers found. It was the first U.S.-wide study exploring
the link between airborne particulate matter and autism.

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