Longevity News

Air Pollution Degrades Semantic Memory

Source: Neuroscience News • Published: 03 Jun 2026, 17:40

Air Pollution Degrades Semantic Memory

Examine research exploring long-term fine particulate air pollution's selective effects on semantic memory and implications for cognitive aging and health equity.

Key Takeaways
  • Seventeen years of higher long-term PM2.5 exposure was linked to degraded semantic memory performance
  • Observed semantic decline exceeded what would be expected from ten years of aging
  • Targeted reductions in long-term PM2.5 exposure could lower dementia risk and health inequities
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