Air pollution may contribute to Alzheimer’s and dementia risk – here's what we're learning from brain scans

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.

Jiu-Chiuan Chen, Associate Professor of Preventive Medicine, University of Southern California • conversation
Jan. 5, 2021 ~7 min