Complicating The Narrative

This episode is a re-run of the Ideas Matter podcast episode “The Future of Science and the Replication Crisis” hosted by Dean Sandro Galea, Co-Director of the Building Better Ways of Knowing initiative, in conversation with Professor John Ioannidis. The original episode was released by Ideas Matter on May 19, 2026. This episode begins with a discussion of Dr. Ioannidis’ paper about how most resea...

What does it take to shift a public health narrative and are researchers ready when the moment comes?  Whitney and Salma start their conversation discussing Whitney’s move from obesity to gynecologic research, highlighting how gynecologic conditions and overall women’s midlife health are understudied, as well as how obesity narratives remain focused on the individual willpower, despite a strong bo...

Katherine Keyes joins Salma to discuss the strengths and limitations of epidemiology, beginning with the gap between what averages tell us about populations and what they fail to predict about individuals. They explore how that gap is a frequent source of public misunderstanding, how self-experimentation can mislead through placebo effects and confounding, and why public health needs to be more tr...

How can you engage in healthy and fruitful conversation with people who think differently? Brinda Adhikari joins Salma to discuss the importance of healthy disagreement and unpack how conversations between people who think differently can look like. Reflecting on Brinda’s experience in journalism and especially as co-host of “Why Should I Trust You?”—bringing together public health experts, physic...

What does it take to close the gap between evidence and action in public health? As part of the first episode of the Building Better Ways of Knowing mini-series, Alonzo Plough joins Salma to reflect on the inaugural convening of the initiative and to discuss the expectations for the project and future convenings. They discuss the mismatches between the evidence generated in academia and the knowle...

What would it take to build a public health knowledge system that is more pluralistic, reflexive, and oriented toward action?  The Building Better Ways of Knowing initiative was created by the Healthier Futures Lab at Washington University in St. Louis Bursky School of Public Health, in partnership with the Alliance for Health Policy and Systems Research and with support from the Robert Wood Johns...

When and how, if ever, can public health compromise individual autonomy to prioritize the population’s health?   Professor Justin Bernstein joins Salma to discuss the different types of autonomy and liberty, from an ethical and philosophical perspective. By discussing Justin's papers on Covid-19 lockdowns, vaccine mandates, and soda taxes, they weigh when and how, if ever, individual autonomy can...

Why should we all be concerned about sea-level rise and its health impacts today, despite it seeming like a problem of the future? Dr. Kathryn Bowen and Dr. Jemilah Mahmood join Salma to discuss the recently launched Lancet Commission on Sea-Level Rise, Health, and Justice. They argue that sea-level rise is neither just a coastal nor a future problem, but a present-day public health issue — one al...

What happens when the global health architecture built over 80 years is changed drastically in 16 months and what should replace it? Dr. Gbenga Ogedegbe is the Dr. Adolph & Margaret Berger Professor of Medicine and Population Health and the director of the Division of Health & Behavior in the Department of Population Health at NYU Grossman School of Medicine. His research focuses on the pr...

How do public health institutions experiencing declining public trust go about becoming trustworthy again? Erin O'Malley is the Executive Director of the Coalition for Trust in Health and Science, a coalition of more than 90 organizations working to enhance public trust in health and science. With nearly two decades of experience in health policy, advocacy, and cross-sectoral partnership, Erin lea...

By some estimates, hundreds of thousands of Americans die each year who would still be alive if the United States had the mortality rates of other wealthy countries. What makes this even more unsettling is that it wasn't always this way. In the mid-twentieth century, Americans actually lived longer than their counterparts in other rich nations. Something changed, and it's been getting worse for ov...

This is a Purple Public Health Project episode. Dr. Itai Bavli is a Research Associate and lecturer at the W. Maurice Young Centre for Applied Ethics at the University of British Columbia, as well as the author of the Substack When Public Health Goes Wrong. His research focuses on developing a framework for understanding public health decisions and actions that have gone wrong and caused harm, wit...

Why does the US spend more on healthcare than other high-income countries and still have lower life expectancy? Dr. Jose Francisco Figueroa is an Associate Professor of Health Policy and Management at the Harvard T.H. Chan School of Public Health, Assistant Professor of Medicine at Harvard Medical School, and a practicing Internist and Associate Physician at the Brigham and Women's Hospital. His r...

This is a revisit of an episode originally published in September 2025. How can we capture complex social phenomena impacting health in research? Dr. Maria Glymour, Professor and Chair of the Department of Epidemiology at Boston University School of Public Health, has focused her research on the social factors influencing dementia and cognitive function in old age. Salma and Maria analyze the deme...

How can we support people age safely and with dignity in their own homes?  Dr. Susy Stark, is a Professor at the Washington University in St Louis School of Public Health. As an occupational therapist and community-based researcher, her work focuses on helping adults with chronic conditions and functional decline age successfully in place by using tailored environmental support and self-management...

How does research actually shape policy and when is evidence "good enough" to act on?  In this episode, Salma Abdalla is joined by Dr Kathryn Backholer, Professor of Public Health Policy and co-director of the Global Centre for Preventive Health and Nutrition (GLOBE) at Deakin University in Australia. Kathryn’s work focuses on building evidence that decision-makers can use, starting with policy pr...

Does public health belong to people with a specific perspective, or is it—as the term implies—for the public at large?  Today’s episode is different. Dean Sandro Galea, Dean and Distinguished Professor at WashU School of Public Health, returns to the podcast to discuss the Purple Public Health Project (PPHP), a new initiative he is launching with Salma. The PPHP aims to start a conversation about...

In global health, evidence, authority, and distance are often deeply entangled.  Dr. Seye Abimbola is Professor of Health Systems at the School of Public Health, University of Sydney. He is a leading voice in debates on decolonizing global health, with scholarship focused on health systems governance and epistemic injustice. He is also the founding editor-in-chief of BMJ Global Health and the auth...

Will superbugs take over the world, as increasing media articles suggest?   Dr. Sabiha Essack is Professor in Pharmaceutical Sciences at the University of KwaZulu-Natal (UKZN), where she established the Antimicrobial Research Unit, and the South African Research Chair in Antibiotic Resistance and One Health. Dr. Essack’s research focuses on evidence-informed strategies to mitigate antibiotic resis...

When tribunals like the International Criminal Court prosecutes gender-based violence in conflict, what evidence do they need? And who gathers it? Kim Thuy Seelinger is a Professor of Practice at Washington University School of Public Health and former senior coordinator for Gender-Based Crimes at the International Criminal Court in the Hague until the Spring of 2025. For over two decades, she's w...

What is global health—and who gets to define it?  For decades, the field has claimed universality while being shaped largely by specific institutions, priorities, and assumptions. But what happens when we center the places where most global health “problems” are identified? What does it mean to tell someone living in a Dhaka slum to shelter in place during a pandemic?  In this episode, Salma is jo...

What do we mean when we say health is a human right? Dr. Benjamin Mason Meier is a Professor of Global Health Policy at the University of North Carolina (UNC) at Chapel Hill who has focused his research on the development, evolution, and application of human rights-based approaches to health.   In this episode, Dr. Meier joins Salma to explore the foundations of health as a human right—from its po...

What can Reddit, Instagram, and other digital platforms tell us about population health? Dr. Yulin Hswen, associate professor at the University of California San Francisco and associate editor of JAMA and JAMA+ AI, is a computational epidemiologist using big data to understand population health in our increasingly digital world.  In this episode, Salma sits down with Dr. Hswen to explore what our...

What if we could build our world from scratch—with health, justice, and thriving communities at its core? In his new book Imagine Doing Better: Why Policies Backfire and How Prevention Thinking Can Change Everything, Dr. Paul J. Fleming, Associate Professor in the Department of Health Behavior and Health Education at the University of Michigan, argues that prevention—and imagination—should guide h...

The techniques that make health messages more effective—personalization, customization, targeted delivery—are the same tools driving the spread of inaccurate health claims at scale. Dr. Matthew Kreuter, WashU’s Kahn Family Professor of Public Health and founding director of the Health Communication Research Laboratory, is an expert on effective and equity-oriented health communications and has bee...