Dementia Risk May Rise as Air Quality Worsens
Exposure to particulate matter smaller than 2.5 microns in diameter (PM2.5) was associated with increased risk of dementia, a meta-analysis suggested. Across 14 studies that assessed PM2.5, the overall risk of dementia rose by 4% (HR 1.04, 95% CI 0.99-1.09) for every 2 μg/m3 increase in average annual PM2.5 concentration, according to Marc Weisskopf, PhD, […]