Grace M. Christensen, Zhenjiang Li, Donghai Liang, Stefanie Ebelt, Marla Gearing, Allan I. Levey, James J. Lah, Aliza Wingo, Thomas Wingo, Anke Hüls. Association of PM 2.5 Exposure and Alzheimer Disease Pathology in Brain Bank Donors—Effect Modification by APOE Genotype. Neurology, 2024; 102 (5)

“People with higher exposure to traffic-related air pollution were more likely to have high amounts of amyloid plaques in their brains associated with Alzheimer’s disease after death, according to a new study. Researchers looked at fine particulate matter, PM2.5, which consists of pollutant particles of less than 2.5 microns in diameter suspended in air.”