Medical Xpress news

Medical Xpress / Hidden 'recycling system' helps keep vision cells healthy

For decades, scientists believed that photoreceptors in the retina relied primarily on neighboring support cells, known as the retinal pigment epithelium (RPE), to remove waste. While the RPE is still responsible for clearing ...

16 hours ago
Medical Xpress / Gut bacteria leave intestinal 'memory,' protecting against inflammation

New Northwestern Medicine research published in Nature Communications suggests that a metabolite produced by gut bacteria when they digest dietary fiber can leave a lasting molecular imprint on intestinal cells, promoting ...

20 hours ago
Medical Xpress / Climate change is redrawing the malaria map in Africa, study finds

Malaria is the deadliest climate-sensitive infectious disease. Yet researchers and public health officials have long argued over how climate change has shaped its spread. A new Nature study resolves this debate, providing ...

19 hours ago
Medical Xpress / New mechanism reveals how heart cells resist regenerative reprogramming

Specialized cells in the human body make biological trade-offs to perform certain jobs. To support the large, hardworking hearts that power other organs, heart cells have evolved to be extremely efficient and resilient. Because ...

18 hours ago
Medical Xpress / Beyond recovery, natural environments may strengthen well-being from a neutral baseline

A walk in the park after a stressful day is a classic example of how nature can help people unwind. But natural environments may offer even more: enhancing mood and cognitive performance even when a person has not previously ...

19 hours ago
Medical Xpress / Bloodstream-delivered cell therapy slows muscle decline in young people with Duchenne muscular dystrophy, trial finds

A cell therapy called deramiocel could slow muscle weakening in boys and young men with advanced Duchenne muscular dystrophy (DMD) and may also slow heart damage in those who already have heart muscle disease, a Phase III ...

21 hours ago
Medical Xpress / Inflammation may drive Dravet syndrome, offering a potential new treatment target

An overactive immune response in the brain may play a role in Dravet syndrome, a rare and severe genetic epilepsy that typically begins in infancy, according to Weill Cornell Medicine researchers. Children with the condition ...

22 hours ago
Medical Xpress / Widening ethnic and socioeconomic inequalities in stroke identified in 30-year research

The prevalence of stroke risk factors such as high blood pressure and diabetes are higher and increasing faster among black African and Caribbean groups, compared to people from white backgrounds. People from Black African ...

16 hours ago
Medical Xpress / How a medical database evolved into a global standard of data-sharing

Before advances in scientific data storage and collaboration via the cloud, medical investigators seeking health research breakthroughs had to overcome significant obstacles to collaboration and the gathering of key clinical ...

17 hours ago
Medical Xpress / Despite Medicare coverage, many cancer patients still do not receive testing that guides treatment options

While there has been a recent increase among Medicare recipients in genomic testing that helps match cancer patients to the most effective treatment for their tumor, many Medicare beneficiaries with cancer are still not receiving ...

20 hours ago
Medical Xpress / LA wildfires had lasting mental health impacts for the most vulnerable residents

Los Angeles County residents living in evacuation warning or order zones during the 2025 wildfires experienced heightened levels of anxiety and depression almost a year later, according to new USC research. The effects were ...

19 hours ago
Medical Xpress / AI tool helps detect patient deterioration earlier, reducing hospital deaths

Researchers from RWJBarnabas Health and Rutgers Robert Wood Johnson Medical School found that an artificial intelligence (AI)-enabled early warning system helped identify hospitalized patients at risk of rapid clinical decline ...

21 hours ago