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Air Pollution Raises Dementia Risk by 17%, Study Finds

7/26/2025

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Summary

Story summary

Long-term exposure to air pollution, especially from PM2.5, nitrogen dioxide, and soot, significantly heightens dementia risk, according to a University of Cambridge study. A mere 10 µg/m³ increase in PM2.5 correlates with a staggering 17% rise in dementia risk. Experts urge immediate policy reforms to enhance air quality and safeguard vulnerable communities.

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Story summary

Long-term exposure to air pollution, especially from PM2.5, nitrogen dioxide, and soot, significantly heightens dementia risk, according to a University of Cambridge study. A mere 10 µg/m³ increase in PM2.5 correlates with a staggering 17% rise in dementia risk. Experts urge immediate policy reforms to enhance air quality and safeguard vulnerable communities.