Public Health On Call

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

  1. 22h ago

    Meta Settled a Case Over Social Media Addiction Claims. What Happens Now?

    About this episode:   In August, Meta—the parent company of Instagram and Facebook—agreed to pay up to $17.1 billion to 54 states and U.S. territories over claims that it harmed children by fostering unhealthy digital habits. In this episode: An addiction researcher and an expert in adolescent mental health explain the terms of the agreement, what comes next, and what parents should take away from the larger conversation on youth social media use. Guest:  Tamar Mendelson, PhD, MA, is a professor of Mental Health and Population, Family and Reproductive Health, as well as the director of the Johns Hopkins Center for Adolescent Health. Johannes Thrul, PhD, MS, is an associate professor of Mental Health at the Johns Hopkins Bloomberg School of Public Health. 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:  Meta to Pay Up to $17.1 Billion in Landmark Settlement Over Social Media Addiction Claims—New York Times Mental Health in the Scroll Age—Hopkins Bloomberg Public Health Magazine Social Media and Youth Mental Health—Office of the Surgeon General A College Course for Digital Detoxing—Public Health On Call (February 2026) Social Media and Adolescent Health—Public Health On Call (February 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. You can also email PublicHealthQuestion@jhu.edu to request a transcript. AI disclosure (as of September 2026): The conversations you hear on the podcast are happening between real humans, and real humans are developing and researching episodes behind the scenes. In addition to real human audio engineers, Public Health On Call uses AI production tools to assist with the removal of filler words and improve audio quality. If you have any questions about our use of AI, please reach out to PublicHealthQuestion@jhu.edu.  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.

  2. 3d ago

    Does Legalizing Marijuana Affect Alcohol and Other Drug Use?

    About this episode:   New research examines the relationship between the legalization of medicinal or recreational cannabis and patterns of alcohol, tobacco, and opioid use. In this episode: Lead author of the study, Sarah Windle, explains what her team's systematic review, published in the Milbank Quarterly, can tell us about whether legal cannabis is being used to substitute or to complement other substances. Guest:  Sarah Windle, MPH, is a PhD student in epidemiology at McGill University. Host:  Dr. Josh Sharfstein is distinguished professor of the practice in Health Policy and Management, a pediatrician, and former secretary of Maryland's Health Department.  Show links and related content:  Impacts of Global Cannabis Policy Changes on Substance Use: A Systematic Review of Quasi-Experimental Studies—The Milbank Quarterly Here's how cannabis legalization affected tobacco, alcohol and opioid use: McGill study—CTV News The Hazy World of Cannabis Policy—Public Health On Call (February 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. You can also email PublicHealthQuestion@jhu.edu to request a transcript. AI disclosure (as of September 2026): The conversations you hear on the podcast are happening between real humans, and real humans are developing and researching episodes behind the scenes. In addition to real human audio engineers, Public Health On Call uses AI production tools to assist with the removal of filler words and improve audio quality. If you have any questions about our use of AI, please reach out to PublicHealthQuestion@jhu.edu.  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.

  3. 4d ago

    Hot Topics This Fall: Food Recalls, Measles, Respiratory Vaccines

    About this episode:   Between the cyclosporiasis outbreak and other food safety issues, the ongoing measles outbreak, and the coming respiratory season, there's a lot going on in public health. In this episode: Dr. Josh Sharfstein, a pediatrician, former principal deputy commissioner of the FDA, and Public Health On Call host, covers these and other hot topics in public health. Guest:  Dr. Josh Sharfstein is distinguished professor of the practice in Health Policy and Management, a pediatrician, and former secretary of Maryland's Health Department.  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:  Recalls, Market Withdrawals, & Safety Alerts—U.S. Food and Drug Administration Measles-related deaths in Pennsylvania mark first 2 US fatalities this year—CIDRAP AAFP Announces Fall Immunization Recommendations to Protect Patients and Communities—American Academy of Family Physicians The Executive Order on Childhood Vaccines—Public Health On Call (August 2026) The Explosive Diarrhea Episode—Public Health On Call (July 2026) An Update on Measles and the U.S.'s Elimination Status—Public Health On Call (April 2026) 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. You can also email PublicHealthQuestion@jhu.edu to request a transcript. AI disclosure (as of September 2026): The conversations you hear on the podcast are happening between real humans, and real humans are developing and researching episodes behind the scenes. In addition to real human audio engineers, Public Health On Call uses AI production tools to assist with the removal of filler words and improve audio quality. If you have any questions about our use of AI, please reach out to PublicHealthQuestion@jhu.edu.  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.

  4. 5d ago

    Taking Public Health from the Classroom to the Community

    About this episode:   Malcolm Cunningham and Amelia Hulbert both work in local government, spearheading violence prevention programs and reducing barriers to food access, respectively. Through the Bloomberg American Health Initiative, they've supercharged their work with MPH degrees and instruction from leaders in their fields. In this episode: Malcolm and Amelia discuss their work to create better health outcomes in their communities and how programs at the Johns Hopkins Bloomberg School of Public Health have guided them. Guest:  Malcolm Cunningham, MPH, is the director of the Toledo, OH, Mayor's Office of Neighborhood Safety and Engagement and an alumnus of the Bloomberg American Health Initiative. Amelia Hulbert, MPH, is the Healthy Eating, Active Living (HEAL) specialist with Boulder County Public Health and an alumna of the Bloomberg American Health 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:  The Cost of Gun Violence: The Direct Cost to Tax Payers—National Institute for Criminal Justice Reform To get fresh vegetables to people who need them, one city puts its soda tax to work—NPR The Bloomberg Fellows Program—Bloomberg American Health Initiative 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. AI disclosure (as of September 2026): The conversations you hear on the podcast are happening between real humans, and real humans are developing and researching episodes behind the scenes. In addition to real human audio engineers, Public Health On Call uses AI production tools to assist with the removal of filler words and improve audio quality. If you have any questions about our use of AI, please reach out to PublicHealthQuestion@jhu.edu.  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.

  5. Sep 3

    Challenges in Global Access to Life-Saving Medications and Vaccines

    About this episode:   During the recent pandemic, low-income countries struggled to access the COVID-19 vaccine, despite a global framework that had been established for this purpose. In this episode: Tahir Amin, a leader in the access to medicines movement, shares his perspective on what failed during the pandemic and how this experience reflects larger challenges in the availability and affordability of critical medications. Guest:  Tahir Amin, DPLP, is a founder and CEO of the Initiative for Medicines, Access & Knowledge (I-MAK), a nonprofit organization working to address the inequities in how medicines are developed and distributed. Host:  Dr. Josh Sharfstein is distinguished professor of the practice in Health Policy and Management, a pediatrician, and former secretary of Maryland's Health Department.  Show links and related content:  Pharma Monopoly: The Battle for the Future of Medicines—Polity Books (book) Americans' Challenges with Health Care Costs—KFF Patently imperfect—Science Could Patent Reform Lower Drug Prices?—Public Health On Call (March 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 @‌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.

  6. Sep 2

    Why Does A Bee Matter to My Health?

    About this episode:   Wild pollinators like bees and hoverflies play a direct role in human health. A recent study in Nepal shows that flourishing pollinator populations lead to higher agricultural yields, bolstering both human economic wellbeing and access to ample, nutrient-rich foods. In this episode: Dr. Samuel Myers of the Johns Hopkins Institute for Planetary Health details the link between biodiversity and human health and the risk that mankind's ecological footprint poses to this complex and essential relationship. Guest:  Sam Myers, MD, MPH, is the founding director of the Planetary Health Alliance and the faculty director at the brand new Johns Hopkins Institute for Planetary 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:  Pollinators support the nutrition and income of vulnerable communities—Nature Why Pollinators Matter for Human Health: Five Questions With Samuel Myers—Johns Hopkins Bloomberg School of Public Health The Case for Planetary Health—Can We Change?—Public Health On Call (April 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 @‌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.

  7. Aug 31

    Saving Babies' Lives by Preventing Neonatal Sepsis

    About this episode:   Global infant mortality has fallen dramatically since 1990, but neonatal sepsis—a serious bloodstream infection occurring in newborns—still accounts for a significant portion of preventable deaths. Simple interventions like good hygiene practices and sufficient staffing in delivery rooms could reduce infections and prevent fatalities. In this episode: Pablo Duran, a perinatal health expert with the Pan American Health Organization, explains how providers, parents, and public health can prevent, recognize, and treat neonatal sepsis early on for better outcomes. Guest:  Dr. Pablo Duran, PhD, MPH, is a pediatrician and neonatologist who serves as the regional advisor on perinatal health for the Pan American Health Organization. Host:  Dr. Josh Sharfstein is distinguished professor of the practice in Health Policy and Management, a pediatrician, and former secretary of Maryland's Health Department. He served as the Baltimore City Commissioner of Health from 2005 to 2009. Show links and related content:  A Simple Action, a Major Impact: Hand Hygiene Against Maternal and Neonatal Sepsis—Pan American Health Organization Strategies to prevent, detect, and treat neonatal sepsis in the face of AMR—PAHO TV via YouTube 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.

  8. Aug 27

    How Safe Are E-Bikes and E-Scooters?

    About this episode:   As electric scooters and bikes explode in popularity in cities across the globe, concerns about safety abound. Early data shows that injuries from collisions and falls on these devices can include severe head trauma and injuries to internal organs, culminating in increased visits to the hospital. In this episode: Road safety expert Johnathon Ehsani provides an epidemiological overview of the safety data and offers advice for parents and policymakers to prevent injuries. Guest:  Johnathon Ehsani, PhD, MPH, is an internationally recognized road safety researcher and an associate professor in Health Policy and Management at the Johns Hopkins Bloomberg School of Public Health. 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:  E-Scooters and Micromobility Are Potential Public Health Game Changers for Transportation and Equity—Johns Hopkins Bloomberg School of Public Health Injuries From Electric Bikes and Scooters: Illinois, U.S., 2021–2023—American Journal of Preventive Medicine Crash-Related Protective and Risky Behaviors Among Micromobility Riders: A Nationally Representative Survey—American Journal of Public Health Riding an electric scooter: the rules—gov.uk Should Cities Be Welcoming Autonomous Vehicles?—Public Health On Call (July 2026) 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.

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About

Evidence and experts to help you understand today's public health news—and what it means for tomorrow.

Information

  • Creator
    The Johns Hopkins Bloomberg School of Public Health
  • Years Active
    2020 - 2026
  • Episodes
    1.2K
  • Rating
    Clean
  • Copyright
    © Copyright of this audio content is owned by The Johns Hopkins University.
  • Show Website
    Public Health On Call

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