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PODCAST

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.

news medicine

All Episodes

12:14

936 - The New Reality Facing Medicare, Medicaid, and...

Public Health On Call ·

2025/08/21

About this episode: The reconciliation bill passed by Congress in July is set to unravel key aspects of the Affordable Care Act that have expanded health coverage to millions of Americans. In this episode: One of the architects of the ACA, Liz Fowler, outlines how work requirements, truncated enrollment periods, and higher premiums will change health care for Americans on Medicaid and Medicare and for those buying coverage through their state’s marketplace. Guest: Elizabeth Fowler, PhD, JD, is a

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15:11

935 - World Mosquito Day: Harnessing New Tools to...

Public Health On Call ·

2025/08/20

About this episode: Progress in the global mission to eradicate malaria has stalled due to mosquito evolution, drug resistance, and underfunding. In this episode: Dr. Michael Adekunle Charles discusses what it will take to get this mission back on track, promising new tools recommended by WHO, and why a multisector approach to defeating malaria is crucial for achieving healthy outcomes. Guest: Dr. Michael Adekunle Charles, MPH, is the Chief Executive Officer of the RBM Partnership to End Malaria

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25:04

934 - Sickle Cell Disease: Genetic Therapies and...

Public Health On Call ·

2025/08/18

About this episode: Sickle cell disease affects an estimated 100,000 people in the United States. Recent advancements in gene therapies and medicines like hydroxyurea are diminishing extreme pain, reducing strokes, and extending survival times for those afflicted by the disease. In this episode: leading sickle cell disease expert Dr. Mark Gladwin explains how revolutionary new treatments work and discusses the challenges to accessing life-saving care. Guest: Dr. Mark Gladwin is a

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14:04

933 - Fall Vaccine Confusion with Your Local...

Public Health On Call ·

2025/08/15

About this episode: Fall vaccines for flu, RSV, and—more recently—COVID have long followed a uniform rollout schedule allowing clinics and pharmacies ample time to order and administer shots. But that process looks different this year, raising concerns about access. In this episode: Katelyn Jetelina, publisher of Your Local Epidemiologist, explains how changes to the CDC’s Advisory Committee on Immunization Practices (ACIP) and the FDA are pushing back the timeline and changing recommendations for

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16:06

932 - Cuts to mRNA Vaccine Development

Public Health On Call ·

2025/08/13

About this episode: The Department of Health and Human Services has cancelled nearly $500 million in funding for the development of mRNA vaccines, including for vaccines against potential new pandemic threats. In this episode: Professor Bill Moss delves into the misinformation surrounding mRNA vaccines, explains their potential to treat diseases like cancer and HIV, and warns of the national security threats posed by cuts to development. Guest: Dr. Bill Moss, MPH, is an infectious disease specialist

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15:06

931 - A Big Setback for Nutrition Education

Public Health On Call ·

2025/08/13

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

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22:13

930 - Peace Building in a Polarized Public Health...

Public Health On Call ·

2025/08/11

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

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17:22

929 - How To Spot Unregulated Pharmacies and...

Public Health On Call ·

2025/08/06

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

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16:30

928 - When Pharmacists Prescribe Medication for Abortion

Public Health On Call ·

2025/08/04

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,

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19:20

927 - World Breastfeeding Week: Creating Sustainable...

Public Health On Call ·

2025/08/01

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

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14:18

926 - A Disability Advocate Speaks Out on Medicaid Cuts

Public Health On Call ·

2025/07/31

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

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19:08

925 - Starvation in Gaza

Public Health On Call ·

2025/07/30

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

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16:22

924 - The Shocking Hazards of Louisiana's “Cancer Alley”

Public Health On Call ·

2025/07/28

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

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17:23

923 - A Critical Moment in the Fight Against HIV

Public Health On Call ·

2025/07/24

About this episode: The United States stands at a pivotal juncture in eradicating 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,

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23:41

922 - Book Club—Valley of Forgetting: Alzheimer's...

Public Health On Call ·

2025/07/23

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

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15:11

921 - Is Bird Flu Gone for Good?

Public Health On Call ·

2025/07/21

About this episode: In early July, the CDC deactivated the United States’ H5N1 emergency response, citing lowered rates of infection among animals and humans. But fewer cases might not indicate an end to the years-long emergency. In this episode: Dr. Erin Sorrell of the Johns Hopkins Center for Health Security details the timeline of the virus, its impacts on American farmers, and how to prepare for the return of migratory birds later this year. Guest: Dr. Erin Sorrell, PhD, MSc, is an associate

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14:18

920 - Changes to the CDC's Vaccine Advisory Committee

Public Health On Call ·

2025/07/17

About this episode: The recent dismissal of all members of the CDC's Advisory Committee on Immunization Practices (ACIP) has stirred questions about vaccine safety and immunization protocols. In this episode: Dr. Grace Lee—a former ACIP chair—shares insights on the committee's crucial role in recommending vaccines uses, the importance of transparent decision-making, and dangers of abandoning strong processes. Guest: Dr. Grace Lee, MPH, is the Chief Quality Officer and the Christopher G. Dawes

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18:04

919 - The Texas Floods and the Future of Forecasting

Public Health On Call ·

2025/07/16

About this episode: The deadly Fourth of July floods in Kerr County, TX are raising urgent concerns about flash flooding risks and the future of storm response. In this episode: Hurricane specialist and storm surge expert Michael Lowry discusses what causes increasingly intense storms, details the significant strides made in forecasting, and outlines what’s at stake with potential cuts to NOAA. Guest: Michael Lowry is a hurricane specialist and storm surge expert for WPLG-TV in Miami, FL. He

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15:28

918 - Should AI Be Your Therapist?

Public Health On Call ·

2025/07/14

About this episode: Artificial intelligence is changing everything about how we work, live, and study—and, now, AI therapy chatbots are poised to transform mental health care. In this episode: Stanford researcher Nick Haber details recent data that suggests that therapeutic AI has a long way to go in addressing biases and recognizing safety-critical situations in order to provide adequate care. Guest: Nick Haber, PhD, is an assistant professor at the Stanford Graduate School of Education, and by

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21:53

917 - Why Some Moms Are Hesitant To Vaccinate

Public Health On Call ·

2025/07/09

About this episode: For mothers questioning whether or not to vaccinate their children, the decision can be complicated by an overwhelming and, at times, conflicting information environment. In this episode: Health communication researcher Melissa Carrion explores how an onslaught of messaging is informing how mothers decide to vaccinate their kids and how public health experts can better communicate on these key decisions. Guest: Melissa Carrion, PhD, is an assistant professor of Writing and

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1,091 results

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