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  • Acclaimed author Chimamanda Ngozi Adichie to speak at Penn’s 264th Commencement

    portrait of Chimamanda Ngozi Adichien, smiling
    Author Chimamanda Ngozi Adichie.

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  • Exposure to air pollution worsens Alzheimer’s disease
    Emissions from a power plant.

    Image: Pencho Chukov via Getty Images

    Exposure to air pollution worsens Alzheimer’s disease

    New research from Penn Medicine finds living in areas with high concentration of air pollution is associated with increased buildup of amyloid and tau proteins in the brains of Alzheimer’s patients, accelerating cognitive decline.

    Sep 9, 2025