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  • Class of 2026 moves in

    New students traveled from near and far Tuesday, settling into College Houses, meeting their roommates, and spending precious moments with family.
    penn family taking a selfie on the upper quad steps
    College Houses at Penn were bustling again Tuesday, as first-year students moved in across campus.

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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