The link between PM2.5 and ADHD held up after researchers tested other explanations 

 ADHD in the News 2026-09-10


A recent study in the journal Scientific Reports examined how annual and long-term exposure to fine particulate (PM2.5) air pollution relates to various health outcomes, including birth outcomes, diabetes prevalence, and childhood ADHD, using two decades of U.S. county-level data. The study further evaluated the strength of these associations after adjusting for temporal trends, socioeconomic and demographic factors, and spatial dependence.