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  • For the Record: Muhammad Ali visits Penn

    While exiled from boxing because of his stance against the Vietnam War, Muhammad Ali spoke at Penn in March of 1968.
    Muhammad Ali and Jeremiah X, minister of the Nation of Islam’s Temple Number 12 in Philadelphia, walk on Penn's campus.
    Image: University Archives and Records Center

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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