Adults exposed to high traffic-related air pollution are more likely to experience mental disorders. For each 5 microgram per cubic meter increase in very small particulate matter and 3 microgram per cubic meter increase in nitrogen dioxide odds of mental disorders were increased by 18% to 39%. : science
https://www.reddit.com/r/science/comments/jqdx06/adults_exposed_to_high_trafficrelated_air/Life Course Air Pollution Exposure and Cognitive Decline: Modelled Historical Air Pollution Data and the Lothian Birth Cohort 1936 - IOS Press
https://content.iospress.com/articles/journal-of-alzheimers-disease/jad200910Study supports link between traffic-related air pollution and mental disorders
https://www.kcl.ac.uk/news/study-supports-link-between-traffic-related-air-pollution-and-mental-disorders