

Public Health On Call
The Johns Hopkins Bloomberg School of Public Health
Evidence and experts to help you understand today's public health news—and what it means for tomorrow.
Episodes
Mentioned books

Aug 13, 2025 • 15min
931 - A Big Setback for Nutrition Education
About this episode: Since 2010, the nonprofit ChopChop Family has published magazines, cookbooks, and other tools to help pediatricians and nutrition educators inform families about the positive health outcomes of cooking nutritious foods. But deep cuts to SNAP-Ed, the federally-funded nutrition education program, are placing programs like ChopChop Family in limbo. In this episode: ChopChop Family founder and president Sally Sampson explains how the rapid rollback of SNAP-Ed is crippling nutrition education. Guest: Sally Sampson is a cookbook author and the founder and president of ChopChop Family, a nonprofit publisher of cooking magazines, cookbooks, digital content, cooking curricula, and learning decks for children and families. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland's Health Department. Show links and related content: Budget cuts knock down a 'pillar of public health,' ending nutrition education—STAT ChopChop Podcast—Apple Podcasts ChopChop Family Newsletter—Substack 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.

Aug 11, 2025 • 22min
930 - Peace Building in a Polarized Public Health Landscape
About this episode: As the United States grows more polarized along regional, political, and ideological lines, it is critical to resolve conflict civilly—particularly when it comes to pressing public health concerns that implicate all of us. In this episode: Peace building experts David Addiss and John Paul Lederach draw on their careers in conflict resolution and public health to share strategies for building relationships, restoring trustworthiness, and fostering solutions-oriented conversations to bridge ideological gaps. Guest: Dr. David Addiss, MPH, is a public health doctor whose career has involved migrant health, mountain medicine, neglected tropical diseases, research, philanthropy, and global health. He is the Director of the Focus Area for Compassion and Ethics at the Task Force for Global Health. John Paul Lederach, PhD, is Professor Emeritus at the University of Notre Dame and a Senior Fellow with Humanity United. He is widely known for the development of culturally-based approaches to conflict transformation and the design and implementation of integrative and strategic approaches to peace building. 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: A Recipe for Cooling Down American Politics—Washington Post Facing Down a Civil War—www.johnpaullederach.com Here To Understand: How Braver Angels Is Orchestrating Tough Public Health Conversations—Public Health On Call (June 2025) Peacebuilding to Help Mend A Broken World—Public Health On Call (December 2023) 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.

Aug 6, 2025 • 17min
929 - How To Spot Unregulated Pharmacies and Falsified Medications
About this episode: Trying to save money on antibiotics, GLP-1 antagonists, or other medications using online pharmacies can pose serious health risks. These sites are flush with substandard and falsified drugs, which can cause adverse side effects, leave serious conditions untreated, and, in some instances, lead to death. In this episode: Dr. Henry Michtalik shares how providers and patients can spot unregulated suppliers and report counterfeit drugs. Guest: Dr. Henry Michtalik, MHS, MPH, is a hospitalist at the Johns Hopkins University School of Medicine and an assistant professor at both the School of Medicine and the Bloomberg School of Public Health. He is a co-principal investigator with the School of Public Health's BESAFE initiative. 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: Fake medication is a problem across the world—DW Fake Drugs, Real Danger—Hopkins Bloomberg Public Health Magazine Verify Before You Buy—National Association of Boards of Pharmacy Report a Counterfeit Drug—U.S. Food and Drug Administration 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.

Aug 4, 2025 • 17min
928 - When Pharmacists Prescribe Medication for Abortion
About this episode: Following the rise of restrictive abortion laws around the country, a pilot program in Washington state is training pharmacists to screen for and prescribe medication abortion. In this episode: Dr. Beth Rivin talks about the Pharmacist Abortion Access Project and how it's creating more options for safe, convenient, and effective care for women—especially those living in rural and low-income communities. Guest: Dr. Beth Rivin, MPH, is the President and CEO of Uplift International, an organization focused on improving health and human rights with a particular emphasis on family planning and reproductive rights. 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: Abortion Pills Prescribed by Pharmacists Are Newest Effort in Abortion Fight—New York Times In Washington state, pharmacists are prescribing abortion drugs—NPR Mifepristone and EMTALA SCOTUS Rulings: A Holding Pattern—Public Health On Call (July 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.
Aug 1, 2025 • 19min
927 - World Breastfeeding Week: Creating Sustainable Support Systems
About this episode: Breastfeeding plays a crucial role in babies' development and new research is even suggesting that breast milk can provide benefits to the microbiomes and immune systems of adults. In this episode: Meghan Azad, a breastfeeding researcher from the University of Manitoba, explains the chemical compounds that make human breast milk unique from other mammals, the opportunities to build more community support for breastfeeding, and the benefits of lactation for mothers. Guest: Meghan Azad, PhD, is a professor of pediatrics and child health at the University of Manitoba, where she leads a lab studying breastfeeding and breast milk. 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: World Breastfeeding Week—World Health Organization New study reveals breastfeeding duration influences infant microbiome and respiratory development—UM Today Breast milk's benefits are not limited to babies—The Economist 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.

Jul 31, 2025 • 14min
926 - A Disability Advocate Speaks Out on Medicaid Cuts
About this episode: Medicaid cuts from the recent budget reconciliation law are raising fears of cutbacks among Americans with disabilities who rely on the program for services that allow them to live independently. In this episode: Demi Eckhoff, who has a rare form of muscular dystrophy, and who relies on Medicaid in North Carolina, explains the uncertainty and what people with disabilities are doing to advocate for themselves. Guest: Demi Eckhoff, MPH, is a disability advocate, a registered dietitian, and an incoming doctoral student at the Johns Hopkins Bloomberg School of Public Health. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland's Health Department. Show links and related content: Disabled Americans Fear What Medicaid Cuts Could Do to Them—New York Times Five Ways the 'One Big Beautiful Bill' Could Make It More Difficult to Get Health Insurance in N.C.—The Assembly America's Caregiver Crisis—Public Health On Call (July 2025) The Potential Impacts of Cuts To Medicaid—Public Health On Call (March 2025) Transcript information: Click here for a transcript of this episode. 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.

Jul 30, 2025 • 19min
925 - Starvation in Gaza
About this episode: The World Health Organization is reporting thousands of cases of malnutrition and 74 civilian deaths resulting from mass starvation in Gaza in 2025. In this episode: Dr. Paul Spiegel discusses the origins of the crisis and recent developments and shares what this dire situation means for the future of the international humanitarian system. Guest: Dr. Paul Spiegel is a physician, epidemiologist and the director of the Center for Humanitarian Health at the Johns Hopkins Bloomberg School of Public Health. Dr Spiegel has worked in humanitarian emergencies for the last 30 years. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland's Health Department. Show links and related content: No Proof Hamas Routinely Stole U.N. Aid, Israeli Military Officials Say—New York Times Malnutrition rates reach alarming levels in Gaza, WHO warns—World Health Organization Humanitarian Health in Gaza and Beyond—Public Health On Call (June 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.

Jul 28, 2025 • 16min
924 - The Shocking Hazards of Louisiana's "Cancer Alley"
About this episode: Since the 1980s, petrochemical production along an 85-mile stretch of the Mississippi River has designated the corridor as "Cancer Alley," but recent research shows that the risks from air pollution in the region have been seriously underestimated. In this episode: Pete DeCarlo and Keeve Nachman of the Johns Hopkins University discuss their concerning findings about compounding chemical exposure on human health and explain what these conclusions mean for how the United States should regulate carcinogens. Guest: Pete DeCarlo, PhD, is an associate professor in Environmental Health and Engineering at the Johns Hopkins Whiting School of Engineering. Keeve Nachman, PhD, MHS, is the Robert S. Lawrence Professor in Environmental Health and Engineering at the Johns Hopkins Bloomberg School of Public Health. 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: Air testing reveals cancer-causing gas levels far exceeding some government estimates—ABC News 4 Ethylene Oxide in Southeastern Louisiana's Petrochemical Corridor: High Spatial Resolution Mobile Monitoring during HAP-MAP—Environmental Science and Technology Surprisingly High Levels of Toxic Gas Found in Lousiana—The Hub 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.

Jul 24, 2025 • 17min
923 - A Critical Moment in the Fight Against HIV
About this episode: The United States stands at a pivotal juncture in eliminating HIV. Despite recent advancements, including the development of an effective new form of pre-exposure prophylaxis (PrEP), an uncertain future marked by cuts to Medicaid and research hurdles threatens to undo the country's progress. In this episode: Jeremiah Johnson, Executive Director of PrEP4All, sheds light on the urgent need for equitable access to PrEP and what's at stake if we fail to scale up initiatives to test, prevent, and treat HIV. Guest: Jeremiah Johnson is the Executive Director of PrEP4All—an organization that seeks to prevent the spread of HIV by identifying data-driven policy solutions to increase access to PrEP. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement at the Johns Hopkins Bloomberg School of Public Health, a faculty member in health policy, a pediatrician, and former secretary of Maryland's Health Department. Show links and related content: Trump's Policies Could Undermine the Fight to End America's HIV Epidemic—Tradeoffs FDA approves Gilead's twice-yearly HIV prevention injection, offering a powerful and convenient new option—CNBC Financing and Delivering Pre-Exposure Prophylaxis (PrEP) to End the HIV Epidemic—Journal of Law, Medicine & Ethics A National PrEP Program to End the Nation's HIV Epidemic—Public Health On Call (April 2022) 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.

Jul 23, 2025 • 24min
922 - Book Club—Valley of Forgetting: Alzheimer's Families and the Search for a Cure
About this episode: In the 1980s, Colombian neurologist Francisco Lopera discovered a rare genetic mutation afflicting residents of a village outside Medellín that could hold the key to understanding and treating Alzheimer's disease. In this episode: Author Jennie Erin Smith talks about her new book Valley of Forgetting: Alzheimer's Families and the Search for a Cure and how families in the Paisa region of Colombia have forever changed the study of neurodegenerative diseases. Guest: Jennie Erin Smith is an author and a regular contributor for The New York Times, whose work has also appeared in The Wall Street Journal, The Times Literary Supplement, The New Yorker, and more. 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: Valley of Forgetting: Alzheimer's Families and the Search for a Cure—Penguin Random House A Different Way to Think About Medicine's Most Stubborn Enigma—The Atlantic The 'Country Doctor' Who Upended Our Understanding of Dementia—New York Times 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.


