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Theresa MacPhail

Medical anthropologist and author of Allergic

  • About Theresa MacPhail

    Theresa MacPhail is driven by a curiosity about our bodies, our world, and the myriad unconscious conversations that take place between them. A medical anthropologist, former journalist, and professor with a background in global health, biomedicine, and disease, she blends her research with philosophy, history, and social sciences to make sense of our present moment. In her fascinating talks that touch on everything from the relationship between global and local health to the importance of failure, she brings lessons from the classroom and her research to a wide range of audiences, from college students to corporations.

    For Theresa MacPhail’s new book, Allergic: Our Irritated Bodies in a Changing World, she set out to unravel the mystery of why the number of people diagnosed with allergies has been steadily increasing over the last half century, placing a growing medical burden on individuals, communities, families, and our healthcare system. A holistic and historical examination of allergies, Allergic spans from their first medical description in 1819 to recent innovations. Along the way, MacPhail makes surprising discoveries and connections between climate change, pollution, and biologists, that underscore how interconnected our bodies are to our environments.

    In addition to her research on epidemics and allergies, MacPhail talks about our wider societal relationship with “unknowledge” and failure. In persuasive lectures, she explains that people don’t understand that science is just as much about what we don’t know as what we do. She explores the link between misinformation, mistrust, and the public’s lack of comfort with the level of uncertainty that scientific inquiry requires, arguing not only that the public needs to learn how to be more comfortable with uncertainty, but that scientists need to get better at admitting what they don’t know.

    As a college professor, MacPhail also has witnessed a rise in anxiety and depression among her students, which she credits to their crippling fear of failure. Too often, students are told that they should learn from their failures, but they don’t know how. In her “Failure 101” course and talks aimed at audiences of all ages, MacPhail normalizes failure by talking about historic, relationship, and business failures and concepts like groupthink and growth vs. fixed mindset.

    Theresa MacPhail is an Associate Professor of Science and Technology Studies at Stevens Institute of Technology in Hoboken, NJ. She earned PhDs from the University of California, Berkeley, and the University of California, San Francisco. In addition to Allergic, her writing has appeared in Slate and The Los Angeles Review of Books, and her academic work has been published in Public Culture, Limn, and Expertise: Cultures and Technologies of Knowledge. MacPhail is currently working on her next book, which dives into what happens to our minds and bodies as we age, and why acceptance of aging is the key to “aging well.” She lives in Brooklyn, NY.

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  • Speaking Topics

    Allergic: Our Irritated Bodies in a Changing World

    From hay fever to eczema to peanuts, either you have an allergy or you know someone who does. In this engaging talk, Theresa MacPhail guides you on a journey to answer some of the most pressing questions about the global epidemic of allergic diseases: what they are, why we have them, and what that might mean about the fate of humanity in a rapidly changing world. Because understanding what is irritating us and why will help us to craft better environments in the future—so we can all breathe easier.

    Forgotten Epidemics and What They Can Teach Us

    Tuberculosis. Zika. Polio. Influenza. HIV. Ebola. Cholera. West Nile. Each of these diseases has been, in their turn, at the center of collective public worry and public health responses. To anyone paying attention to the news headlines, it seems we are constantly in a battle with a different virus or bacteria. And yet, we never seem to stay focused on any public health threat for long. The news cycle moves on and the disease of the day fades into the background – even when the epidemic is still ongoing. MacPhail explores how and why we often forget about epidemics and what they might be able to teach us about the practice of public health. The price we might pay for forgetting what we’ve learned is too high to ignore.

    Why We Need to Teach Failure

    Over the past decade, Theresa MacPhail noticed that her students, the majority of whom were STEM majors, were more and more anxious and stressed out about their futures. After a spate of suicides rocked her university, she designed an experimental course—“Failure 101”—to teach students about the concept of failure – how we define it, what it looks like in different fields, how it is experienced in day-to-day living, and how to learn to welcome it as a necessity for a successful and fulfilling life. In this talk, Dr. MacPhail offers insights from her experiences teaching college students how to fail and why she believes learning how to fail is more important than learning how to be happy. In the end, she argues that accepting failure may be the ultimate antidote to anxiety.

    Un-knowledge: The Scientific Art of Not Knowing

    In February 2020, American healthcare officials urged Americans to stop buying masks, arguing they were unnecessary for anyone not working in healthcare or taking care of someone sick at home. After weeks of pressing this message – that masks did not help to prevent illness – the U.S. CDC finally changed its recommendations, imploring everyone over the age of 2 to start wearing masks in public spaces to contain the virus. Many people reacted poorly to this reversal and wondered how much they could actually trust scientists and epidemiologists. It was the first, but not the last, time that scientific knowledge would be openly questioned throughout the pandemic.

    In this talk, medical anthropologist Theresa MacPhail explains how science – especially biomedical science – has been a victim of its past successes. Vaccines, antibiotics, and a bevy of new medical treatments have highlighted just how much we know about our biology and the natural world. But as scientific research progresses, the number of things we don’t know will increase at the same pace as what we do. The 21st century will require us to embrace un-knowledge as a necessary part of our quest for scientific understanding.

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  • Praise for Theresa MacPhail

    Praise for Allergic

    Comprehensively researched, deftly told, and radiating both intellect and passion, Allergic is essential reading for anyone interested in our bodies and our world. I am grateful to have this book to share with my allergy patients.

    Dr. Kari Nadeau, director of the Sean N. Parker Center for Allergy and Asthma Research at Stanford University

    An astute, empathetic, and wonderfully informative investigation . . . Theresa MacPhail makes a persuasive case that cooperation—with each other and with our internal ecosystems—is the key to relief.

    Michelle Nijhuis, author of Beloved Beasts: Fighting for Life in an Age of Extinction

    Allergic is just the sort of thoughtful, comprehensible, and comprehensive book we urgently need to understand how rapidly changing modern environments are interacting with our ancient immune systems to cause a frightening explosion in allergies.

    Daniel Lieberman, author of The Story of the Human Body and Exercised

    A fascinating account that most of u​s (sniffle sniffle) will find of compelling interest—and also a powerful reminder that what we do to the world around us eventually affects the world inside us.

    Bill McKibben, author, educator, and founder of Third Act
  • Books by Theresa MacPhail

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  • 212 572-2013
  • Theresa MacPhail travels from Brooklyn, NY

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