Health Newsfeed – Johns Hopkins Medicine Podcasts

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A multifaceted approach is being taken to stem firearm violence, Elizabeth Tracey reports Nov 24, 2025

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Over 800,000 people have died since we entered this new century and 2 million plus have been injured using firearms in the United States. These daunting statistics underpin efforts by the American Medical Association and other organizations in creating a new …

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If you’re pregnant or considering pregnancy, should you take acetaminophen? Elizabeth Tracey reports Nov 17, 2025

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Federal officials have suggested that use of acetaminophen during pregnancy may increase the risk for autism in offspring. Heather Volk, an autism expert at Johns Hopkins, says use of acetaminophen may be a surrogate for something else. Volk: Could be …

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Is acetaminophen use during pregnancy associated with autism in offspring? Elizabeth Tracey reports Nov 17, 2025

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Do women who take acetaminophen during pregnancy risk autism in their offspring? Autism expert Heather Volk at Johns Hopkins says one likely explanation is that taking the pain reliever during pregnancy is a stand in for another exposure that may …

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A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports Nov 17, 2025

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PM 2.5 stands for particulate matter 2.5 microns or less, and this category of air pollutant may well be involved in autism risk as well as cognitive issues in older adults. That’s according to Heather Volk, autism expert at Johns …

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Can air pollution impact on autism? Elizabeth Tracey reports Nov 17, 2025

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A new study points to chemicals called PFAS in possibly underpinning autism development. Autism expert Heather Volk at Johns Hopkins says another environmental pollutant with a much more established record is the very minute particles found in the air called …

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PFAS exposure during pregnancy may cause changes in the developing brain, Elizabeth Tracey reports Nov 17, 2025

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Chemicals abbreviated PFAS have been used for some time in things like nonstick cookware, and almost all of us have measurable levels of them in our blood. Now a new study links maternal blood levels during pregnancy to changes in …

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Do the environmental pollutants PFAS have any impact on development of autism? Elizabeth Tracey reports Nov 10, 2025

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PFAS are chemicals that were used in things like nonstick cookware or stain resistant fabrics, and they’ve been implicated in a number of deleterious health outcomes, including autism. A new study looks at PFAS exposures in mothers and changes in …

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Many vaccines are intended to reduce disease severity, Elizabeth Tracey reports Nov 10, 2025

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Covid vaccines boosted the immune response in people being treated for cancer and improved their survival, a recent study concludes. mRNA expert Jeff Coller at Johns Hopkins says as more evidence mounts establishing the benefits of mRNA vaccines, we need …

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Why were so many people hesitant to take mRNA vaccines? Elizabeth Tracey reports Nov 10, 2025

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mRNA vaccines can help the body fight cancer, a new study found, yet when we look at what has been called ‘vaccine hesitancy’ we see many people are suspicious of vaccines in general, let alone mRNA vaccines. Johns Hopkins mRNA …

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What is it about mRNA vaccines that helps us fight cancer? Elizabeth Tracey reports Nov 10, 2025

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People with lung cancer and melanoma who were receiving immunotherapies and got a Covid vaccine saw dramatically improved survival compared with folks who did not get the vaccine, a recent study shows. mRNA expert Jeff Coller at Johns Hopkins muses …

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