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After a contentious and highly polarized election, what comes next?

Constitutional scholar Rogers Smith shared his thoughts on how the election has gone so far, what might come next, and the challenges of addressing political polarization in America both now and in the future.
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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