Research from the Keck School of Medicine of USC, funded by the National Institutes of Health and the EPA, has shown that levels of certain air pollutants deemed safe by the EPA are still linked to changes in brain function over time. Brains in teens and children, especially 9- through 12-year-olds, are especially vulnerable to harm because they are at a crucial stage in their brain development.

The study, published in Environment International, used the brain scan data of more than 9,000 participants from a project known as the Adolescent Brain Cognitive Development (ABCD) study, the largest-ever nationwide study of youth brain health.

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