Is the air you breathe silently fueling dementia? A 29-million-person study says yes

ScienceDaily
Jul 27, 2025, 1:47 am241 ptsTop
Air pollution isn't just bad for your lungs—it may be eroding your brain. In a sweeping review covering nearly 30 million people, researchers found that common pollutants like PM2.5, nitrogen dioxide, and soot are all linked to a significantly higher risk of dementia. The most dangerous? PM2.5—tiny…

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