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  • Penn in the Track & Field U.S. Olympic Team Trials

    Past and present track & field athletes are vying for a chance to compete in the Tokyo Olympics.
    Sam Mattis throws the discus during his Penn days.
    This evening at 7:05 p.m. (West Coast time), 2016 alumnus Sam Mattis (pictured) and 2017 alumnus Noah Kennedy-White will compete in the discus.
    (Image: Scott Spitzer)

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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