Improving air quality reduces dementia risk, multiple studies suggest

pollution
Credit: CC0 Public Domain

Improving air quality may improve cognitive function and reduce dementia risk, according to several studies reported today at the Alzheimer’s Association International Conference (AAIC) 2021 in Denver and virtually.

Previous reports have linked long-term air exposure with accumulation of Alzheimer’s disease-related brain plaques, but this is the first accumulated evidence that reducing pollution, especially fine particulates in the air and pollutants from the burning of fuel, is associated with lower risk of all-cause and Alzheimer’s disease.

Both increasing levels of air pollution and increasing cases of dementia are…

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