New research strengthens the previously reported link between air pollution and cognitive decline, after finding that exposure to fine particulate matter could significantly raise the risk of developing Alzheimer’s disease and other dementias.
The research found that exposure to high levels of particulate matter 2.5 (PM2.5) – tiny air pollution particles that are up to 2.5 micrometers in diameter – increased older women’s risk of dementia by over 90 percent, compared with low PM2.5 exposure.
