Key Takeaways

Air pollution might speed up Alzheimer’s disease progressionPeople exposed to more particle pollution had more brain damage related to Alzheimer’sThey also experienced more rapid brain decline

THURSDAY, Sept. 11, 2025 (HealthDay News) — Air pollution might speed up the devastating effects of Alzheimer’s disease on the brain, a new study says.

Alzheimer’s patients exposed to higher levels of particle pollution appeared to suffer an increased buildup of toxic amyloid and tau proteins in their brains, researchers reported Sept. 8 in JAMA Neurology .

The more air pollution a person breathed, the worse the ravages of Alzheimer’s on their brains, researchers said.

They also experienced faster memory loss, impaired judgment and difficulty with basic activities of daily livi

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