Aging in a highly polluted world: challenges and solutions to prevent Alzheimer’s disease - Takeaways - MDSpire

Aging in a highly polluted world: challenges and solutions to prevent Alzheimer’s disease

  • By

  • Jose L. Domingo

  • June 8, 2026

  • 0 min

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  • 1

    Alzheimer’s disease (AD) accounts for 60–70% of dementia cases and is characterized by amyloid-beta plaques and neurofibrillary tangles.

  • 2

    In 2024, an estimated 6.9 million Americans aged ≥ 65 years will have AD, projected to reach 13.8 million by 2060.

  • 3

    The 2024 Lancet Commission identified 14 modifiable risk factors for AD, including air pollution, which could prevent nearly half of all cases.

  • 4

    Research indicates that severe air pollution exposure may lead to early neuropathological changes associated with AD, detectable in young individuals.

  • 5

    The review aims to summarize evidence linking environmental pollutants to AD risk and propose a multi-level prevention framework.

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