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New book reveals systems that create health gaps

New book reveals systems that create health gaps

Antonia M. Villarruel, the Margaret Bond Simon Dean of Penn Nursing, has co-authored a new book, “Systems That Impact Population Health: Past and Present,” which serves as a critical examination of how foundational U.S. systems, including law, education, housing, and health care, have historically shaped and continue to dictate health outcomes across diverse communities.

From Penn Nursing News

Understanding the climate record through objects
Melissa Charenko stands in front of art in her office.

In her office, Melissa Charenko has paintings by artist Jill Pelto that depict the kind of climate proxies Charenko writes about in her new book, such as sediment cores containing pollen grains.

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Understanding the climate record through objects

Melissa Charenko’s new book shares the history of how 20th-century scientists used climate “proxies”—such as tree rings and fossil pollen—to understand past climates, which has implications for future climate action.

3 min. read

Air travel quandary: Gad Allon and Megan Ryerson on challenges and solutions
Travelers in a busy security checkpoint at an airport.

Travelers at a security checkpoint at O'Hare International Airport in Chicago during the government shutdown in November.

(Image: Nam Y. Huh via Getty Images)

  • Q&A

    • Air travel quandary: Gad Allon and Megan Ryerson on challenges and solutions

    The recent government shutdown exposed long-standing issues facing commercial air travel. Leading into Thanksgiving holiday travel, Gad Allon of the Wharton School and Megan Ryerson of the Weitzman School of Design discuss the system’s infrastructure challenges and the need for workforce development.

    4 min. read

    Rabies resurgence in Peru highlights global threats of health inequity
    An ambulance in Peru.

    Image: Artur Widak via AP Images

    Rabies resurgence in Peru highlights global threats of health inequity

    A Penn Medicine analysis shows that surveillance of dog rabies in Arequipa, Peru, is lacking in areas with lower socioeconomic status and could spell problems for infectious disease worldwide.

    Frank Otto

    2 min. read

    Why are credit card rates so high?

    Why are credit card rates so high?

    Credit card lending delivers a much higher return on assets than the banking sector, according to new research co-authored by Wharton finance professor Itamar Drechsler.

    From Knowledge at Wharton

    2 min. read

    How are companies using generative AI in 2025?

    How are companies using generative AI in 2025?

    Now in its third year, a Wharton Human-AI Research survey on the use of AI in business paints a clear picture about how far the technology has come in a short time, and where it’s headed.

    Four from Penn receive Kaufman Foundation grants

    Four from Penn receive Kaufman Foundation grants

    Penn researchers will receive two of four grants awarded this year by the Charles E. Kaufman Foundation in support of interdisciplinary collaboration aimed at developing novel approaches to fundamental scientific questions.

    2 min. read

    Machine learning and the social sciences
    Students work on a pop quiz on their laptops.

    Students work on a pop quiz in Daniel Gillion’s class.

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    Machine learning and the social sciences

    Daniel Gillion’s course teaches students without a coding background how to apply models to a wide range of problems across political science, economics, and sociology.

    3 min. read

    A serendipitous find leads to lifesaving discoveries
    Fluorescent imaging of glioblastoma under a microscope.

    Image: Kyosuke Shishikura

    A serendipitous find leads to lifesaving discoveries

    A Penn-led team has revealed a how hydralazine, one of the world’s oldest blood pressure drugs and a mainstay treatment for preeclampsia, works at the molecular level. In doing so, they made a surprising discovery—it can also halt the growth of aggressive brain tumors.

    3 min. read