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  • Q&A on the College House system and advice for first-years

    Carol Muller, faculty director of Riepe College House, discusses what makes a first-year house special and how to create community.

    3 min. read

    A smiling woman stands in front of her living room with arms folded.
    Carol Muller is faculty director of Riepe College House, which houses first-year students. 

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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