Public Health On Call

About this episode: It started as a time-limited series of interviews with public health experts at the start of a global pandemic. Over nearly six years, Public Health On Call expanded to a wide range of topics, including humanitarian health, aging, and vaccines, becoming a home for nuanced public health discussions and analysis. In this episode: Hosts Stephanie Desmon, Josh Sharfstein, and Linds...

About this episode: Nothing can make your skin crawl quite like the mention of lice or bed bugs, especially if you're the parent of young children. The good news: though these blood-sucking pests are a nuisance, they pose limited risk to human health. In this episode: Parasitologist Conor McMeniman explains why infestations start, who's susceptible, and how to get these pests out of your hair—lite...

About this episode: Renowned nutritionist Marion Nestle likes the federal recommendation to reduce ultra-processed foods and its emphasis on healthy school meals. But there are other things she finds muddled, contradictory, and incomplete about the nation's new dietary guidelines. In this episode: Nestle talks protein, whole grains, and expanding access to healthy foods. Guests: Marion Nestle , Ph...

About this episode: Medetomidine, a veterinary sedative similar to xylazine, is appearing more frequently in drug supplies in Maryland, Delaware, and Pennsylvania—and the withdrawal symptoms are debilitating. In this episode: Addiction medicine specialist Jordan Nahas-Vigon details the risks facing people who use drugs and why it's so difficult to quit. Guests: Dr. Jordan Nahas-Vigon is a primary...

About this episode: Citing updated research on the health risks of drinking alcohol, Canada changed consumption guidelines in 2023, making global headlines for its steep drop in what's viewed as "low risk" drinking. In this episode: One of the architects of those guidelines explains how these recommendations were developed, their efficacy as a public health intervention, and what to make of the U....

About this episode: Flu is surging in states across the country, breaking a 25-year record for flu-related doctor visits. In this episode: the new strain of influenza A that's driving cases, why getting a flu shot can still protect you, and how antivirals can help if you do get sick. Guest: Andrew Pekosz , PhD, is a virologist at the Johns Hopkins Bloomberg School of Public Health with appointment...

About this episode:     Emmy-award winning drama "The Pitt" returns for a second, thrilling season  that follows  15 hours in  an emergency department  for doctors, nurses, residents, and administrators . In this episode: Dr. Emily Boss discusses what the show gets right about real-life hospitals, from  the  medicine  to the stress to the systemic barriers that  can  make  deliver ing  quali ty  h...

About this episode: Pertussis—more commonly known as "whooping cough—is on the rise, with more than 25,000 cases and a number of child deaths recorded in the U.S. in 2025. In this episode: Dr. Erica Prochaska talks about the symptoms of pertussis, how it spreads, when to seek out medical care, how to prevent infection, and the role of vaccines. Guests: Dr. Erica Prochaska , MHS, is a pediatric inf...

About this episode: Citing a memorandum from President Trump, health officials in the Trump Administration are ending routine recommendations for vaccinating against meningitis, hepatitis A and B, and rotavirus. Vaccine expert Ruth Karron explains why each of these vaccines is critical for safeguarding health, reducing hospitalizations, and preventing deaths. She and Dr. Josh Sharfstein recorded t...

About this episode: HHS leadership started 2026 with an unexpected announcement changing federal childhood vaccine recommendations. In this episode: Dr. Josh Sharfstein joins Lindsay Smith Rogers to talk about the announcement's immediate impact, the rationale behind it, and how it will reshape vaccination in the U.S. Note: These podcasts are a conversation between the participants, and do not rep...

About this episode: The U.S. marked its lowest birth rate on record in 2024 with American women having—on average—1.6 children. Does this mean that the country has a fertility crisis? In this episode: Associate professor of Population, Family and Reproductive Health Linnea Zimmerman discusses how to measure fertility, assess trends in birth rates in the U.S. and worldwide, and think about the inte...

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...

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 the...

About this episode: Attacking health care facilities and providers is becoming a standard strategy of war in places like Colombia, Lebanon, Ukraine, and Gaza, and it is increasingly being perpetrated by state actors. In this episode: Health and human rights lawyer Leonard Rubenstein discusses these disturbing trends, why there's so little accountability for attacks on health care, and what it woul...

About this episode: The decline in journalism and the explosion of social media have converged to form an information crisis, with millions exposed to misleading and false information relevant to their health. In this episode: Joanne Kenen, Lymari Morales, and Josh Sharfstein—authors of a new book exploring this issue—talk about the diagnosis of "information sick," as well as its causes, symptoms,...

About this episode: In 1979, the town of Woburn, MA, raised the alarm as unusual numbers of children fell ill with leukemia. An investigation determined that this cancer cluster was likely caused by contaminated drinking water from two of the town's wells. In this episode: Suzanne Condon, who served as the associate commissioner of the Massachusetts Department of Health at the time, and Megan Lats...

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-pr...

About this episode: Whether it's a social media post claiming that CBD oil can cure cancer or a very convincing AI video of a dog driving a semi-truck, falsehoods abound in our lives. But why do we believe misinformation, even when presented with evidence that debunks it? In this episode: Matthew Facciani, an expert on the topic, details the psychological identities and biases that make us vulnera...

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 li...

About this episode: For over two years, the city of Bangor, ME, has been in the throes of a serious HIV outbreak, exacerbated by a combination of local political battles and negative perceptions of drug users and unhoused people. In this episode: Aneri Pattani, who has been reporting on this outbreak, discusses the challenges of tracking transmission and treating those infected, and how harm reduc...

About this episode: Since 2015, the American Academy of Pediatrics has recommended that parents and caregivers introduce peanuts to children's diets at around four to six months old to avoid the onset of a peanut allergy. In this episode: Pediatric allergist David Hill explains why early allergen introduction is safe and effective and how these recommendations have led to a significant reduction i...

About this episode: As hesitancy about human vaccines rises, so too does skepticism of routine pet immunizations. In this episode: Veterinarians Meghan Davis and Kaitlin Waite explain what's behind growing anti-vaccine sentiment among pet owners, how veterinarians are navigating this divide, and why an understanding of the human-animal bond can yield better public health outcomes for all. Guests:...

About this episode: Robotic telesurgery allows providers to conduct minimally invasive surgeries across long distances, reaching remote communities. In this episode: Binita Ashar, a surgeon with a background in policy, discusses the revolutionary role this technology can play in medicine and what issues need to be addressed—from cost to cybersecurity—in order to greenlight more procedures in the U...

About this episode: Long-cited research has promoted potential health benefits of moderate alcohol consumption. But updated information disproves these claims and links drinking at any amount with increased cancer risk. In this episode: Professor Johannes Thrul, whose research covers substance use and addiction, details recent research on this topic and shares how to communicate these findings to...

About this episode: A single court case in North Carolina is holding skilled nursing facilities accountable to adopt anti-discrimination policies for those with a history of substance use. In this episode: Sally Friedman, part of the team behind this lawsuit, explains the case and why it could set a national precedent for the just treatment of people who use substances in health care. Guests: Sall...