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  • Facing mounting pressure, ICE rescinds visa rule

    Amid mounting pressure from colleges and universities, including Penn, the U.S. Department of Homeland Security and U.S. Immigration and Customs Enforcement has revoked a controversial policy affecting international students with F-1 visas.

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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