Air pollution linked to changes in brain structure in kids

Exposure to high levels of traffic-related air pollution at age 1 may lead to structural changes in the brain at the age of 12 which can influence the development of various physical and mental processes, warns a study.

The researchers found that children with higher levels of air pollution exposure at birth had reductions at age 12 in gray matter volume and cortical thickness as compared to children with lower levels of exposure.

Gray matter includes regions of the brain involved in motor control as well as sensory perception, such as seeing and hearing. Cortical thickness reflects the outer gray matter depth.

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