On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.
- Associate Professor of Preventive Medicine, University of Southern California
Los diminutos contaminantes del aire conocidos como PM2.5, emitidos por vehículos, fábricas y centrales eléctricas, no son sólo un peligro para los pulmones. Un estudio encuentra mayor reducción de la masa cerebral en mujeres mayores expuestas a estas partículas.
The tiny air pollutants known as PM2.5, emitted by vehicles, factories and power plants, aren’t just a hazard for lungs. A study finds more brain shrinkage in older women exposed to pollution.
New research shows that exposure to fine particulate air pollution may double the risk of dementia in older women by increasing growth of beta-amyloid plaques in the brain.
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