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Explore every episode of the podcast Health Topics – Johns Hopkins Medicine Podcasts
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| Title | Pub. Date | Duration | |
|---|---|---|---|
| Will brain training data change policy when it comes to Alzheimer’s prevention? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:06 | |
Cognitive speed training using a computer to generate images and accelerate task completion was able to reduce the likelihood that an older person would receive an Alzheimer’s disease diagnosis by 25%, a study by Johns Hopkins Alzheimer’s expert Marilyn Albert … | |||
| One type of brain training seems to be important in reducing Alzheimer’s disease risk, Elizabeth Tracey reports | 23 Feb 2026 | 00:01:03 | |
A novel study has shown that training the brain with cognitive speed training seems to reduce the risk of Alzheimer’s disease. Johns Hopkins Alzheimer’s disease expert and study author Marilyn Albert says that previous research simply compared what people who … | |||
| Can cognitive speed training make your brain more connected? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:03 | |
If you were asked to learn a computer based task that would require an hour twice a week for six weeks, and it was something you would largely have to learn to master on your own, would you sign up? … Can cognitive speed training make your brain more connected? Elizabeth Tracey reports Read More » | |||
| How can we account for why cognitive speed training seems to reduce Alzheimer’s risk? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:02 | |
Working with images on a computer screen on a task that gets faster and more complex may reduce one’s risk of developing Alzheimer’s disease by 25% compared with a memory task or no training. Study author and Alzheimer’s disease expert … | |||
| How does learning by yourself compare with instruction when it comes to preserving brain function? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:06 | |
When you have to teach yourself a task and adapt to having that task speed up, that’s one type of learning used in a study assessing different types of brain training and development of Alzheimer’s disease. Marilyn Albert, study author … | |||
| Does having to figure things out on your own protect your brain better than other kinds of activities? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:05 | |
People who received memory and reasoning training or those who didn’t receive any brain training were more likely to be diagnosed with Alzheimer’s disease twenty years down the road than those who did cognitive speed training, which required them to … | |||
| What exactly is cognitive speed training? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:04 | |
Among a cohort of 2800 people, those who received cognitive speed training compared to usual care or memory and reasoning training we less likely to be diagnosed with Alzheimer’s disease 20 years later. That’s according to a study by Johns … What exactly is cognitive speed training? Elizabeth Tracey reports Read More » | |||
| If you’re looking to preserve brain health doing cognitive speed training may be best, Elizabeth Tracey reports | 23 Feb 2026 | 00:01:04 | |
If you’re like many people you’d rather not develop dementia, so a new study demonstrating the benefits of a computer based intervention called cognitive speed training may interest you. Marilyn Albert, study author and Alzheimer’s disease expert at Johns Hopkins, … | |||
| What does 20 years of follow up tell us about activities to protect the brain? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:04 | |
Cognitive speed training, where a computer is used to present an image and require tasks based on images that speeds up, resulted in fewer dementia diagnoses than other types of cognitive training, a study of more than 2800 adults over … | |||
| Is it possible to make personal changes to stave off dementia and preserve independence? Elizabeth Tracey reports | 23 Feb 2026 | 00:01:05 | |
Showing someone a visual task on a computer and then speeding things up so they must complete it faster and faster preserves brain function better than other forms of training over twenty years of follow up. That’s according to a … | |||
| What is an assembloid? Elizabeth Tracey reports | 02 Feb 2026 | 00:01:05 | |
Brain organoids, cell collections grown in a lab to study diseases like Alzheimer’s, have created excitement because they are a bit more representative of a real brain. Johns Hopkins cell engineering expert Vasiliki Machairaki says there is another technique underway … | |||
| What is an organoid? Elizabeth Tracey reports | 02 Feb 2026 | 00:01:05 | |
Using induced stem cells helps create models for diseases like Alzheimer’s disease that can be studied in a lab, but now three dimensional cell collections called organoids can also be developed from stem cells. Vasiliki Machairaki, a cell engineering expert … | |||
| How do stem cells derived from blood differ from those from embryos? Elizabeth Tracey reports | 02 Feb 2026 | 00:01:03 | |
Stem cells used to be derived from human embryos, but not anymore. Now a simple blood test can allow stem cells to be induced from cells found there, says Johns Hopkins cell engineering expert Vasiliki Machairaki. Machairaki: Induced pluripotent stem … | |||
| Stem cells are just the beginning when it comes to modeling your risk for Alzheimer’s disease, Elizabeth Tracey reports | 02 Feb 2026 | 00:01:04 | |
Cells from your blood can be induced to return to what they looked like when you were an embryo, then can be made to develop into different cell types in the brain. That happens in the lab of Vasiliki Machairaki, … | |||
| What might reprogramming cells have to do with understanding Alzheimer’s? Elizabeth Tracey reports | 02 Feb 2026 | 00:01:06 | |
A simple blood test may soon help precisely identify your risk for Alzheimer’s disease by inducing some of your cells to go back in time, looking like they did when you were an embryo. Johns Hopkins cell engineering expert Vasiliki … | |||
| A couple new approaches to treating a type of leukemia may help shorten treatment, Elizabeth Tracey reports | 18 Jan 2026 | 00:01:11 | |
Using one of two drug combinations versus ibrutinib alone to treat chronic lymphocytic leukemia, one of the most common types of leukemia in adults, may allow people to avoid continuous treatment, a new study finds. William Nelson, director of the Kimmel … | |||
| Can the drug celecoxib help some people avoid colorectal cancer recurrence? Elizabeth Tracey reports | 18 Jan 2026 | 00:01:00 | |
For people who’ve had colorectal cancer, celecoxib, a commonly prescribed medicine for pain, may help avoid disease recurrence, a recent analysis of a larger study found. Kimmel Cancer Center director William Nelson at Johns Hopkins explains that the presence of … | |||
| Since most cervical cancer is caused by infection with a virus, when should screening start? Elizabeth Tracey reports | 18 Jan 2026 | 00:01:05 | |
Women may now choose to collect their own samples to test for human papilloma virus, or HPV as part of their screening regimen for cervical cancer, the American Cancer Society now says. Kimmel Cancer Center director William Nelson at Johns … | |||
| Will women soon be testing themselves for human papilloma virus, or HPV ? Elizabeth Tracey reports | 18 Jan 2026 | 00:01:01 | |
The American Cancer Society has updated guidelines for cervical cancer screening to include self-collected specimens to assess for human papilloma virus, or HPV. William Nelson, director of the Kimmel Cancer Center at Johns Hopkins, explains why. Nelson: There's 200,000 women … | |||
| As cancer cases in younger people rise, do they all need treatment? Elizabeth Tracey reports | 18 Jan 2026 | 00:01:04 | |
Cancers of several types are being diagnosed more often in those younger than fifty years of age, and no one really understands why. Because there are consequences to cancer treatment one question is do all these cancers need to be … | |||
| If you learn you have cancer would you be comfortable not treating it? Elizabeth Tracey reports | 12 Jan 2026 | 00:01:02 | |
Rates of eight different types of cancer are increasing in those aged 50 and younger, new data reveal, and while researchers are struggling to identify why, another question those diagnosed must answer is are they okay not treating it? That’s … | |||
| Cancers increasing among those younger than fifty warrant investigation to discern causes, Elizabeth Tracey reports | 12 Jan 2026 | 00:01:05 | |
Eight different cancers are increasing among those younger than fifty in the US, data since 1992 indicate. William Nelson, director of the Kimmel Cancer Center at Johns Hopkins, says thyroid, colorectal and endometrial or uterine are included in that number, … | |||
| What factors do we know are related to the development of childhood allergies? Elizabeth Tracey reports | 12 Jan 2026 | 00:01:04 | |
Following 125,000 children as they began to eat a wider variety of foods from infancy seems to show that early introduction of peanut helped many avoid development of peanut allergy, a recent study concluded. Robert Wood, a childhood allergy expert … | |||
| What’s the best strategy to avoid food allergies in young children? Elizabeth Tracey reports | 12 Jan 2026 | 00:01:05 | |
Early exposure to peanut is credited with reducing the development of peanut allergy in young children, a recent study concludes, but Robert Wood, a childhood allergy expert at Johns Hopkins, says the rate of food allergies among children is increasing … | |||
| Should you feed your young child peanut to prevent allergy? Elizabeth Tracey reports | 12 Jan 2026 | 00:01:07 | |
Early introduction of peanut into a child’s diet may help them avoid development of peanut allergy, a recent study concludes. Robert Wood, a childhood allergy expert at Johns Hopkins, says it’s just not that simple when it comes to understanding … Should you feed your young child peanut to prevent allergy? Elizabeth Tracey reports Read More » | |||
| Can a new test help those at risk to develop ALS? Elizabeth Tracey reports | 22 Dec 2025 | 00:01:06 | |
A new test may identify ALS up to a decade before symptoms appear, research by Alex Pantelyat, a movement disorders expert at Johns Hopkins, and colleagues has shown. Pantelyat says there are certain groups of people who may benefit from … Can a new test help those at risk to develop ALS? Elizabeth Tracey reports Read More » | |||
| Looking retrospectively at blood samples allows researchers to spot ALS, Elizabeth Tracey reports | 22 Dec 2025 | 00:01:02 | |
Testing hundreds of blood samples collected years ago allowed researchers at Johns Hopkins and elsewhere to create a panel of proteins that point to the develop of ALS, or Lou Gehrig’s disease, up to 10 years later. Alex Pantelyat, a … | |||
| A new blood test may spot ALS years before symptoms emerge, Elizabeth Tracey reports | 22 Dec 2025 | 00:01:05 | |
ALS is a diagnosis no one wants to hear. Also known as Lou Gehrig’s disease, the condition robs a person of the ability to control their muscles, and eventually their breathing. Now a new blood test developed and tested by … A new blood test may spot ALS years before symptoms emerge, Elizabeth Tracey reports Read More » | |||
| How do we ensure safety with medical apps? Elizabeth Tracey reports | 22 Dec 2025 | 00:01:08 | |
A smartphone app helped people with prediabetes improve their lifestyles as much as a human led diabetes prevention program, research from Nas Mathioudakis, a diabetes expert at Johns Hopkins, and colleagues has shown. Mathioudakis says future plans to let the … How do we ensure safety with medical apps? Elizabeth Tracey reports Read More » | |||
| An app to help people manage prediabetes helps, and there’s room for improvement, Elizabeth Tracey reports | 22 Dec 2025 | 00:01:11 | |
Prediabetes can be controlled with multiple lifestyle interventions to avoid development of diabetes, and an app helps. That’s according to research by Nas Mathioudakis, a diabetes expert at Johns Hopkins, and colleagues. Mathioudakis says the results are consistent with that … | |||
| Are apps the answer when it comes to diabetes prevention? Elizabeth Tracey reports | 15 Dec 2025 | 00:01:07 | |
Using a number of AI driven prompts, a new app helped people with prediabetes make several lifestyle changes to improve their blood sugar. The app was developed by diabetes expert Nas Mathioudakis and colleagues at Johns Hopkins, and compares favorably with … Are apps the answer when it comes to diabetes prevention? Elizabeth Tracey reports Read More » | |||
| Would you respond to an app to make changes in your lifestyle? Elizabeth Tracey reports | 15 Dec 2025 | 00:01:05 | |
Prediabetes can be controlled and diabetes avoided with use of an AI driven app, a new study by Nas Mathioudakis, a diabetes expert at Johns Hopkins, and colleagues has shown. The app performed just as well as human led coaching … Would you respond to an app to make changes in your lifestyle? Elizabeth Tracey reports Read More » | |||
| A new smartphone app can help avoid development of diabetes, Elizabeth Tracey reports | 15 Dec 2025 | 00:01:04 | |
An AI driven app helped people with prediabetes avoid development of diabetes as well as human-led coaching, a study by Johns Hopkins diabetes expert Nas Mathiodakis and colleagues has shown. Mathioudakis :The app was using built in inputs of the … A new smartphone app can help avoid development of diabetes, Elizabeth Tracey reports Read More » | |||
| Monitoring blood sugar is important when you’ve been told you have prediabetes, Elizabeth Tracey reports | 15 Dec 2025 | 00:01:07 | |
Diabetes is known to cause increased risk for cardiovascular disease and many other health issues, so if you’ve been told you have prediabetes it’s important to stave off frank diabetes. Nas Mathioudakis, a diabetes expert at Johns Hopkins and one … | |||
| Can you avoid developing diabetes if you have prediabetes? Elizabeth Tracey reports | 15 Dec 2025 | 00:01:07 | |
Prediabetes is a condition where your blood sugar is higher than it should be, but not high enough to be called diabetes, and if you’ve been told you have it you can take steps to avoid transitioning to diabetes. That’s … Can you avoid developing diabetes if you have prediabetes? Elizabeth Tracey reports Read More » | |||
| Diabetes prevention programs may be utilized more with an AI approach, Elizabeth Tracey reports | 08 Dec 2025 | 00:01:04 | |
People who have prediabetes frequently go on to develop diabetes, but diabetes prevention programs or DPPs can help. Nas Mathioudakis, a diabetes expert at Johns Hopkins and one developer of an AI based DPP, explains what’s at stake. Nestoras Mathioudakis: … | |||
| People with prediabetes can benefit from an AI based diabetes prevention program, Elizabeth Tracey reports | 08 Dec 2025 | 00:01:03 | |
Diabetes prevention programs or DPPs were developed by the CDC over a decade ago to help people with prediabetes avoid frank development of diabetes, but very few people access them. Nas Mathioudakis, a diabetes expert at Johns Hopkins and one … | |||
| How does AI stack up against human provided diabetes prevention programs? Elizabeth Tracey reports | 08 Dec 2025 | 00:01:03 | |
For people with the condition called prediabetes, prevention to full blown diabetes is key. Over a decade ago the CDC developed diabetes prevention programs or DPPs to help but very few people access them. Now a new AI based DPP … | |||
| How might very detailed cancer maps inform cancer management and treatment? Elizabeth Tracey reports | 08 Dec 2025 | 00:01:06 | |
Have you heard of ultrasensitive genetic testing for cancer? This method produces a very detailed characterization of someone’s tumor, and William Nelson, director of the Kimmel Cancer Center at Johns Hopkins, says it then may be used for subsequent decision … | |||
| What is an ultrasensitive DNA test in cancer? Elizabeth Tracey reports | 08 Dec 2025 | 00:01:08 | |
The genetic makeup of a cancer is quite different than that of the person who has it, and now new efforts to very specifically characterize the cancer are poised to have surveillance and treatment implications. That’s according to Kimmel Cancer … What is an ultrasensitive DNA test in cancer? Elizabeth Tracey reports Read More » | |||
| Cancer Headlines With William Nelson | 01 Dec 2025 | 00:10:52 | |
This month's topics include medical imaging and childhood cancers, low dose aspirin in colorectal cancer, AI and colonoscopy skills, and good news for women with early breast cancer. | |||
| If you’re pregnant or considering pregnancy, should you take acetaminophen? Elizabeth Tracey reports | 17 Nov 2025 | 00:01:05 | |
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 … | |||
| Is acetaminophen use during pregnancy associated with autism in offspring? Elizabeth Tracey reports | 17 Nov 2025 | 00:01:05 | |
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 … | |||
| A certain type of air pollutant seems to be linked to brain abnormalities, Elizabeth Tracey reports | 17 Nov 2025 | 00:01:04 | |
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 … | |||
| Can air pollution impact on autism? Elizabeth Tracey reports | 17 Nov 2025 | 00:01:04 | |
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 … Can air pollution impact on autism? Elizabeth Tracey reports Read More » | |||
| PFAS exposure during pregnancy may cause changes in the developing brain, Elizabeth Tracey reports | 17 Nov 2025 | 00:01:05 | |
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 … | |||
| Do the environmental pollutants PFAS have any impact on development of autism? Elizabeth Tracey reports | 10 Nov 2025 | 00:01:04 | |
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 … | |||
| Many vaccines are intended to reduce disease severity, Elizabeth Tracey reports | 10 Nov 2025 | 00:01:06 | |
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 … Many vaccines are intended to reduce disease severity, Elizabeth Tracey reports Read More » | |||
| Why were so many people hesitant to take mRNA vaccines? Elizabeth Tracey reports | 10 Nov 2025 | 00:01:05 | |
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 … Why were so many people hesitant to take mRNA vaccines? Elizabeth Tracey reports Read More » | |||
| What is it about mRNA vaccines that helps us fight cancer? Elizabeth Tracey reports | 10 Nov 2025 | 00:01:02 | |
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 … What is it about mRNA vaccines that helps us fight cancer? Elizabeth Tracey reports Read More » | |||
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