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  • Medication access for opioid use disorder lower among those in criminal justice system

    Penn Medicine research finds Medicaid expansion helps increase access to medications for opioid use disorder, but limitations exist to broadening access.

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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