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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

14:56

838 - Book Club—Crisis Averted: The Hidden Science of...

Public Health On Call ·

2025/01/22

About this episode: Throughout history, humans have been engaged in public health work. In a new book, epidemiologist Caitlin Rivers shares lessons from past outbreaks, what’s changed since COVID-19, and how, at a difficult moment for public health, she’s thinking about the future and keeping a watchful eye on mpox, H5N1, and more. Guest: Caitlin Rivers is an epidemiologist at the Johns Hopkins Center for Health Security who specializes in preparedness and response for epidemics and pandemics

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13:16

837 - Seeking Common Ground in Public Health

Public Health On Call ·

2025/01/20

About this episode: As the administration in Washington DC changes, where will public health be able to work across partisan lines to improve the health of all Americans? A conversation with Brian Castrucci, President and CEO of the de Beaumont Foundation. Guest: Brian Castrucci is president and CEO of the de Beaumont Foundation, a philanthropy dedicated to supporting state and local public health agencies. Host: Dr. Josh Sharfstein is vice dean for public health practice and community engagement

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20:30

836 - The FDA Says Goodbye to Red Dye No. 3

Public Health On Call ·

2025/01/17

About this episode: The FDA’s ban on the use of Red Dye No. 3 raises two questions — why is this color additive leaving the food supply? And what does this mean for other chemicals in the foods we eat? In this episode: a discussion about how the FDA regulates food additives, and how that might change in the future. A note for listeners: By the end of this episode, you will understand why “GRAS reform” is not about cannabis. Guest: Howard Sklamberg is the former deputy commissioner of the U.S. Food

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29:49

835 - Fluoride and The Law

Public Health On Call ·

2025/01/15

About this episode: Conversations about fluoride in the water supply are revving up but a key factor in the debate is the legal framework. In this episode: a discussion about the relevant law for assessing fluoride added to drinking water known as the Toxic Substances Control Act—a law limited to a focus on risk, not benefit—and what that means for emerging science and policy discussions around fluoridating water. Guest: Dr. Lynn Goldman is a pediatrician, the dean of the Milken Institute School of

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19:19

834 - Bird Flu Is Escalating

Public Health On Call ·

2025/01/14

About this episode: The U.S.’s first reported human death from bird flu is another sign that the virus is not going away anytime soon. In this episode: why it’s time to double down on efforts to limit H5N1 transmission among cattle and birds, concerns about cats and other mammals, and how response measures need to scale up quickly and more broadly to try and prevent the virus from gaining a foothold in humans. The experts also discuss why bird flu poses an existential threat to the dairy industry

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15:58

833 - Why Are Americans Dying So Much Earlier Than...

Public Health On Call ·

2025/01/13

About this episode: A new report from the Bloomberg American Health Initiative finds that the U.S. lags behind many other high-income countries in life expectancy. In this report, researchers found that babies born 40 years ago in the U.S. and U.K could expect to live to the same age. Today, however, life expectancy is nearly three years shorter for those on our side of the Atlantic Ocean. In this episode: a look at the four main causes of death driving this gap—all of which are preventable—and how

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20:05

832 - The Importance of Knowing and Optimizing Your...

Public Health On Call ·

2025/01/08

About this episode: Hearing declines for everyone as we get older, no matter what we do. As it declines, it can cause health problems like cognitive decline and brain atrophy, and is directly linked with Alzheimer’s. But there are ways to understand and reduce these impacts including over-the-counter hearing aids and a new app where people can test their hearing on their smartphone. In this episode: a conversation about a health issue that will impact all of us to some degree, and how technology is

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16:15

831 - Public Health Science Communication With Your...

Public Health On Call ·

2025/01/06

About this episode: Science communication is a vital skillset for public health practitioners. But what does it really take to cut through the noise? In today’s episode, Katelyn Jetelina, the publisher of Your Local Epidemiologist, talks about the art and science of science communication, and why it’s less about being right and more about a commitment to changing the way people think. Guest: Dr. Katelyn Jetelina is an epidemiologist and scientific communicator. She is the co-founder of Health Trust

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26:44

830 - Advancing Public Health in Uncertain Political...

Public Health On Call ·

2024/12/18

About this episode: On December 3, the Bloomberg American Health Initiative held its annual summit. This year, the theme really marked the moment: Advancing Public Health in Uncertain Political Times. In today’s episode, you’ll hear three conversations from the Summit about how public health can provide a roadmap for making needed progress. First: how public health data and evidence provide context for judicial decisions. Then, how a public health lens is helping to address the issue of gun

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20:57

829 - Do Mammograms Save Lives?

Public Health On Call ·

2024/12/16

About this episode: For decades, regular mammograms to detect breast cancer have been recommended for women ages 50-75. In 2024, the age range dropped to include women 40-49 as well. But what do we really know about mammography as a tool to save lives? Are all scans created equal? What is the risk/benefit analysis to upping the number of screenings a woman is recommended to receive in her lifetime? In today’s episode: a deep dive into the evidence around mammography, and a look at the new

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15:01

828 - Public Health is a Human Right

Public Health On Call ·

2024/12/11

About this episode: The day after the 2024 presidential election, Joe Amon—the brand new director of the Johns Hopkins Center for Public Health and Human Rights—was set to give a speech for a panel about health discrimination. But the one he’d prepared wasn’t going to cut it for a moment suddenly marked by uncertainty and change. He pivoted to a different message: one that acknowledges that public health doesn’t have everything figured out, and that it works best when it’s viewed as a social

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17:37

827 - The Rise in Pediatric Cases of Walking Pneumonia

Public Health On Call ·

2024/12/09

About this episode: Well into the respiratory illness season, there’s been a rise in cases of walking pneumonia compared to recent years, particularly among children. In this episode: an overview of walking pneumonia; how it’s tested, treated, and prevented; and what parents and caregivers should look out for in children. Guests: Dr. Anna Sick-Samuels is an associate professor of pediatric infectious diseases at Johns Hopkins University School of medicine and a pediatric infectious disease

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19:45

826 - The Success of Rx Kids, Flint’s Infant Cash...

Public Health On Call ·

2024/12/04

About this episode: Ten years ago, Flint, Michigan was in the headlines for its catastrophic water crisis. Now, it’s on the map for a very different public health story: the success of the country’s first unconditional cash program for expecting mothers and babies in their first year of life. The concept is not new, however—it’s rooted in decades of evidence that cash programs help address root causes of poverty and can truly give kids a better start in life. Note: This episode was recorded in late

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14:59

825 - The Future of the Environmental Protection...

Public Health On Call ·

2024/12/02

About this episode: Lingering environmental policy legacies from Trump’s last administration may be harbingers for what’s to come in 2025. Concerns include widespread deregulation leading to increased use of fossil fuels and a lack of vigilance around protecting drinking water and air quality. But it isn’t just the EPA itself that’s in peril: Major shift towards the politicization of climate change, and the disempowering of scientists and agencies in the court system could create lasting—and even

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18:09

824 - Avian Influenza (H5N1) Update

Public Health On Call ·

2024/11/26

About this episode: Outbreaks of H5N1 continue to rise in dairy cattle and poultry, and human cases are also starting to creep up including a Canadian teen who was hospitalized in critical condition. In this episode: the latest on viral sequencing and patterns of spread, the potential for economic impacts and interruptions in the food supply, risks to the general public, and concerns about how an administration change in January may impact public health’s ability to mount a sufficient response

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37:49

823 - Special Episode—The Fight For A Swimmable...

Public Health On Call ·

2024/11/25

About this episode: Baltimore’s iconic Inner Harbor is like a highway for massive ships. It’s also been a dumping ground for chemicals and pollutants, and every time it rains, stormwater runoff brings sewage and trash from miles inland. But in 2010, a coalition announced the Healthy Harbor initiative—a plan to make Baltimore’s famous waterfront swimmable and fishable by 2020. In June 2024, the city held its first public swim in the harbor in more than 40 years. It took nearly a decade and a half to

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17:39

823 - Fluoride In The Water

Public Health On Call ·

2024/11/22

About this episode: Water fluoridation is considered one of the greatest public health achievements of the 20th Century. Yet for as long as there has been fluoride in the water, some have raised concerns about its safety. In this episode: the history of water fluoridation, its enormous benefits for preventing tooth decay, and the recent wave of interest in whether fluoridation policies should change. Guest: Dr. Charlotte Lewis is a pediatrician at Seattle Children’s, a professor at UW Medicine, and

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20:19

822 - Book Club: “Vision: A Memoir of Blindness and...

Public Health On Call ·

2024/11/20

About this episode: For nearly 30 years, Judge David Tatel served on the the U.S. Court of Appeals for the D.C. Circuit. But his rising legal career corresponded with his declining vision–a fact he tried to hide. Now, Tatel credits his blindness (and his guide dog Vixen) for helping him evolve as a judge and a person. In this episode: a look at Judge Tatel’s astonishing career, his take on how SCOTUS is blurring the lines between judging and policymaking, what science and the legal system have in

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21:11

821 - Psychological First Aid: Processing Big...

Public Health On Call ·

2024/11/19

About this episode: In the wake of the presidential election, many people are feeling big emotions like shock, disbelief, anger, and fear. Psychological first aid is a process that can help “take the sting out of injury” and chart a way forward after disruptive, upsetting events. In this episode: an explanation of the process and how people can use the framework to start to regain control and feel empowered to meet the moment and construct a better future. Note: If you or someone you know is

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19:05

820 - The Anti-Vaccine Movement Gets Its Close-Up

Public Health On Call ·

2024/11/18

About this episode: A new documentary, “Shot in the Arm,” looks at the modern anti-vaccine movement from its opposition to the measles vaccine in 2019 through the pandemic and its opposition to COVID vaccination. Filmmaker Scott Kennedy joins the podcast to talk about about the five-year project of creating the film, including details from his hour-long interview with a leading voice in the movement, Robert F. Kennedy, Jr. Guest: Scott Kennedy is an Academy Award nominated writer, director,

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1,092 results

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