All Podcasts – Johns Hopkins Medicine Podcasts

When someone has survived an intensive care unit stay, they may experience a host of challenges to their wellbeing known collectively as post intensive care syndrome, or PICS. Critical care expert Rohan Mathur at Johns Hopkins says sometimes the worst … How can you tell if PICS is present? Elizabeth Tracey reports Read More »

PICS stands for post intensive care syndrome, and recent data indicate that perhaps the majority of people who’ve been hospitalized in an ICU will have what are called sequelae, or lingering issues once they’re stepped down or discharged. Johns Hopkins … What kinds of issues may remain after someone has been in an intensive care unit? Elizabeth Tracey reports Read More »

Once you’ve made it through a stay in an intensive care unit, you can simply move forward in your life, right? Not exactly, as recent research indicates. So-called post intensive care syndrome, or PICS, can continue to impact the life … What is post-intensive care syndrome? Elizabeth Tracey reports Read More »

Maybe you’ve heard of CAR-T cells, a type of cell you have in your body that is supercharged in a lab and put back in to fight things like cancer. Biomedical engineering expert Jordan Green at Johns Hopkins and colleagues … There’s a new technique that may revolutionize one type of T cell therapy, Elizabeth Tracey reports Read More »

CAR-T cells are a type of immune cell that have proven very effective for treating some types of cancer, yet limitations to their use exist. Biomedical engineering expert Jordan Green at Johns Hopkins says limitations including lengthy time and expense … Can an injectable particle help supercharge your T cells? Elizabeth Tracey reports Read More »

Using polyester to wrap mRNA to create an injectable particle may soon enable targeting of your T cells to fight some cancers and autoimmune diseases.  That’s according to research by Jordan Green, a biomedical engineering expert at Johns Hopkins, and colleagues. … Can an mRNA containing particle help direct your T cells to specific targets? Elizabeth Tracey reports Read More &#187...

Let’s say I take one type of immune cell from your blood, grow it in a lab and use a virus to cause changes in that cell so it recognizes cancer. Then I put it back in your body to … Temporary changes to T cells may empower new treatments for cancer and autoimmune disease, Elizabeth Tracey reports Read More »

Put together a shelf-stable particle with a polyester shell, a homing mechanism, and mRNA instructions, and what do you have? A new technology that may be able to train your own T cells inside your body to combat some types … Messenger RNA can be used to stimulate T cells to fight cancer and autoimmune disease, Elizabeth Tracey reports Read More »

With several studies saying oxygen measurements are too low and one saying they’re too high, how much can pulse oximeters be trusted in those with darker skin? Rohan Mathur, a critical care medicine expert at Johns Hopkins, says that oft … Trust but verify may be needed for pulse oximeters, Elizabeth Tracey reports Read More »

Critical care medicine relies on pulse oximeters, which estimate oxygen levels in someone’s blood, for many decisions regarding their care. Studies during the pandemic suggested the devices said there was more oxygen in the blood of someone with darker skin … How do we account for opposite results from studies on pulse oximeters? Elizabeth Tracey reports Read More »

Do devices that measure oxygen levels in blood, known as pulse oximeters, measure too high or too low in those with darker skin? That’s the question now that results of an FDA funded study seem to contradict those of previous … What does a recent FDA funded study on pulse oximeters show? Elizabeth Tracey reports Read More »

If you are a person with darker skin should you be worried about the levels of oxygen in your blood a pulse oximeter is giving? Critical care expert Rohan Mathur at Johns Hopkins says past studies looking at this issue … Data from pulse oximeters can really impact patient care, Elizabeth Tracey reports Read More »

Do the devices known as pulse oximeters, which measure the amount of oxygen in someone’s blood, underestimate or overestimate this value in people with darker skin? Controversy swirls with release of data from an FDA funded study that runs counter … What is up with pulse oximeters? Elizabeth Tracey reports Read More »

Feb 2026. Topics include cancers that may not need treatment right away, self collection of vaginal specimens for HPV, celecoxib and stage 3 colorectal cancer, and continuous versus fixed duration treatment for one type of leukemia.

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 … Will brain training data change policy when it comes to Alzheimer’s prevention? Elizabeth Tracey reports Read More »

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 … One type of brain training seems to be important in reducing Alzheimer’s disease risk, Elizabeth Tracey reports Read More »

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 »

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 can we account for why cognitive speed training seems to reduce Alzheimer’s risk? Elizabeth Tracey reports Read More »

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 … How does learning by yourself compare with instruction when it comes to preserving brain function? Elizabeth Tracey reports Read More »

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 … Does having to figure things out on your own protect your brain better than other kinds of activities? Elizabeth Tracey reports Read More &#18...

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 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, … If you’re looking to preserve brain health doing cognitive speed training may be best, Elizabeth Tracey reports Read More &#187...

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 … What does 20 years of follow up tell us about activities to protect the brain? Elizabeth Tracey reports Read More »

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 … Is it possible to make personal changes to stave off dementia and preserve independence? Elizabeth Tracey reports Read More »

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 assembloid? Elizabeth Tracey reports Read More »