Public Health On Call

In this discussion, Linnea Zimmerman, an associate professor at Johns Hopkins with expertise in fertility and contraceptive access, analyzes the U.S.'s record low birth rate. She explains the complexities of measuring fertility and trends worldwide, highlighting differences between regions. Zimmerman challenges the notion of a fertility crisis, addressing societal impacts, and the role of migration. Economic pressures and gender dynamics influencing family size desires are also examined, alongside how policy changes could empower individuals to align their choices with desired family sizes.

About this episode: The only thing increasing faster than the number of new pickleball players is the number of pickleball injuries. Between 2017 and 2022, sports medicine experts saw a seven-fold increase in injuries. In this episode: orthopedic surgeon Eric Bowman tells Stephanie Desmon—Public Health On Call's resident pickleball devotee—what's driving these injuries, who's most at risk, and how players can stay healthy. Guests: Dr. Eric Bowman, MPH, is an orthopaedic surgeon in the practice of sports medicine at the Vanderbilt University Medical Center. Host: Stephanie Desmon, MA, is a former journalist, author, and the director of public relations and communications for the Johns Hopkins Center for Communication Programs. Show links and related content: As Pickleball Continues to Gain Players, Injuries Are Increasing—JAMA Evaluation of Pickleball-Related Injuries at a Single Institution From 2017 to 2022—Orthopaedic Journal of Sports Medicine Pickleball-Related Ocular Injuries Among Patients Presenting to Emergency Departments—JAMA Ophthalmology Pickleball-related injuries are on the rise, doctors say—NBC News Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @‌PublicHealthPod on Bluesky @‌PublicHealthPod on Instagram @‌JohnsHopkinsSPH on Facebook @‌PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

About this episode: For decades, cosmetics and medicine developers have relied on animal testing to assure product safety for humans. Today, more ethical and accurate alternatives to animal testing are poised to improve this process. In this episode: scientist and lawyer Paul Locke on the new technologies replacing lab animals and how regulators can lead the gradual and necessary transition to these innovative models. Guests: Paul Locke, DrPH, MPH, JD, is a lawyer and scientist who serves as the principal investigator for the JHU Toxicology Program and an advisory board member of the Johns Hopkins Center for Alternatives to Animal Testing. Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: Transitioning to Human-Centered Science: An Off-Ramp and Transition Plan—JHU Toxicology Program White House slashes medical research on monkeys and other animal testing, sparking fierce new debate—CBS News Animal Models—Harvard Medical School Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @‌PublicHealthPod on Bluesky @‌PublicHealthPod on Instagram @‌JohnsHopkinsSPH on Facebook @‌PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Len Rubenstein, an Emeritus distinguished professor and health and human rights lawyer, dives deep into the alarming trend of attacking healthcare in conflict zones. He reveals that over 3,600 attacks occurred in 2024 alone, often executed by state actors using drones and explosives. Rubenstein discusses the lack of legal accountability for these war crimes and highlights recent hotspots like Gaza and Ukraine. He stresses the urgent need for stronger political commitments and advocacy to protect healthcare and preserve lives in war-torn areas.

Join distinguished professor Dr. Josh Sharfstein, health journalist Joanne Kenen, and communications expert Lymari Morales as they tackle the pressing issue of misinformation in health media. They coin the term "information sick," diving into its detrimental effects on public health decisions. Discover the causes behind the misinformation explosion, from the decline of local journalism to social media's chaotic landscape. The trio also shares strategies to rebuild trust and promote credible health communication, offering insights for a collective path forward.

Suzanne Condon, an environmental health expert and former associate commissioner at Massachusetts’ health department, and Megan Latshaw, a professor at Johns Hopkins, dive into the intricate world of cancer cluster investigations. They discuss the alarming case of Woburn, where contaminated water likely led to a spike in leukemia. The guests explain how unusual cancer patterns are detected, the importance of community involvement, and the challenges faced in pinpointing causes. They emphasize a proactive approach to health investigations despite the complexity of cancer causation.

About this episode: After recovering from an illness like the flu or mononucleosis, most of us will return to our normal lives without complications. But for some, viruses can linger in the body—sometimes for years—and reemerge, wreaking new havoc on the immune system and even triggering chronic diseases. In this episode: Virologist Maggie Bartlett explains how viruses—many of which are vaccine-preventable—can cause post-acute infection syndrome and what's needed to improve the diagnosis and treatment of these conditions. Watch the video version of this episode. Guests: Maggie L. Bartlett, PhD, is an assistant research professor in Molecular Microbiology and Immunology at the Johns Hopkins Bloomberg School of Public Health and the co-host of "Why Should I Trust You?". Host: Lindsay Smith Rogers, MA, is the producer of the Public Health On Call podcast, an editor for Expert Insights, and the director of content strategy for the Johns Hopkins Bloomberg School of Public Health. Show links and related content: Vaccines Do More Than Prevent Disease—Johns Hopkins Bloomberg School of Public Health The Virus That Never Leaves—Dr. Maggie's Substack What We Know—And Still Don't Know—About Long COVID—Public Health On Call (October 2025) Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @‌PublicHealthPod on Bluesky @‌JohnsHopkinsSPH on Instagram @‌JohnsHopkinsSPH on Facebook @‌PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

Matthew Facciani, an interdisciplinary social scientist and author of 'Misguided', explores the roots of misinformation and why we cling to false beliefs. He highlights how community dynamics, identity, and self-esteem intertwine to reinforce misguided notions. Facciani discusses the impact of information overload during the COVID-19 pandemic and shares strategies to combat misinformation, like fostering trust and media literacy. He reminds us that everyone is susceptible to bias, advocating for empathy in our conversations about truth.

About this episode: Injury prevention—a field focused on preventing injuries from falls, choking, homicides, car crashes, and other incidents—saves lives and money. Now, the United States' leading injury prevention unit, the CDC Injury Center, is grappling with cuts to funding and personnel that debilitate critical work. In this episode: Natalie Draisin, an injury prevention expert, details the lifesaving work at risk in extended funding battles. Guests: Natalie Draisin, MPH, MBA, is the director of the North America Office and United Nations representative for the FIA Foundation, an organization promoting road safety. She also serves as an advisor on road safety to WHO and the International Transport Forum. Host: Stephanie Desmon, MA, is a former journalist, author, and the director of public relations and communications for the Johns Hopkins Center for Communication Programs. Show links and related content: Injury prevention is in danger from federal cuts—Baltimore Sun With CDC injury prevention team gutted, 'we will not know what is killing us'—NPR Dr. Debra Houry on Her Decision to Leave the CDC—Public Health On Call (September 2025) Women's History Month: A Conversation With Sue Baker, the "Mother of Injury Prevention"—Public Health On Call (March 2024) Transcript information: Looking for episode transcripts? Open our podcast on the Apple Podcasts app (desktop or mobile) or the Spotify mobile app to access an auto-generated transcript of any episode. Closed captioning is also available for every episode on our YouTube channel. Contact us: Have a question about something you heard? Looking for a transcript? Want to suggest a topic or guest? Contact us via email or visit our website. Follow us: @‌PublicHealthPod on Bluesky @‌JohnsHopkinsSPH on Instagram @‌JohnsHopkinsSPH on Facebook @‌PublicHealthOnCall on YouTube Here's our RSS feed Note: These podcasts are a conversation between the participants, and do not represent the position of Johns Hopkins University.

In this discussion, Aneri Pattani, a senior correspondent at KFF Health News with a focus on mental health and public health reporting, delves into a significant HIV outbreak in Bangor, Maine. She explains the complexities of tracking transmission amid local politics and public stigma surrounding drug users. Pattani highlights failures in syringe service programs and the federal government's opposition to harm reduction. However, she offers hope by discussing recent improvements like reinstated services and the need for targeted case management to reverse the outbreak.