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Alzheimer's Disease Exacerbated by Air Pollution, Autopsy Study Suggests

Summary by MedPage Today
(MedPage Today) -- Worse outdoor air quality was tied to worse Alzheimer's disease pathology in older adults, an autopsy study showed. Among 602 autopsy cases, higher exposure to fine particulate matter less than 2.5 μm (PM2.5) before death...

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The exposure to toxic gases released in the air was associated with a worse appearance in people with Alzheimer's disease, accelerating the accumulation of toxic proteins in the brain and worsening the cognitive decline, according to a new study. It was found that those who lived in areas with higher concentrations of particles end in the air, even for one year, had a more severe accumulation of amyloids and emarmised tau — characteristics of Al…

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MedPage Today broke the news in New York, United States on Monday, September 8, 2025.
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