Medical Xpress news

Medical Xpress / AI can use a photo of the eye to estimate retinal age, flag risk for major diseases

There may be some truth to the saying "the eyes are the window to the soul." Age-related changes are reflected in the retina, the light-sensitive tissue at the back of the eye. Recent research shows that a photo of the retina ...

Apr 21, 2026
Medical Xpress / This bioengineered chewing gum wipes out cancer-linked mouth microbes while sparing healthy bacteria

Researchers led by Henry Daniell of the School of Dental Medicine have shown that extracts from bioengineered chewing gum reduce the levels of three microbes known to be associated with head and neck squamous cell cancer ...

Apr 21, 2026
Medical Xpress / Creating a wireless tissue-aware medical device network in the human body

Diagnostic tests for stomach conditions are tough for patients, as many of the most accurate ones involve minor surgical procedures or invasive techniques. Swallowable medical devices have emerged as a possible solution. ...

Apr 21, 2026
Dialog / When pomegranates meet the artery wall: How gut-derived metabolites may stabilize atherosclerotic plaques

For years, pomegranates have enjoyed a reputation as a "heart-healthy" fruit. As a cardiovascular researcher, I have often been asked a seemingly simple question: If pomegranates are so good for us, how exactly do they work? ...

Apr 21, 2026
Medical Xpress / HIV's earliest immune battle leaves blood traces that forecast powerful antibodies years later

Some people living with HIV develop antibodies capable of neutralizing many different strains of the virus. New research links this to immune responses that occur early in infection. The findings, published in PLOS Pathogens, ...

Apr 21, 2026
Medical Xpress / Molecular keyhole sheds light on pain and epilepsy

Researchers at VIB, VUB, and KU Leuven have identified a tiny binding site, a molecular "keyhole," in the TRPM3 ion channel, a crucial sensor in pain signaling. TRPM3 is also linked to rare neurodevelopmental disorders and ...

Apr 21, 2026
Medical Xpress / Extra chromosomes may help tumor cells move and engulf neighbors, study suggests

Researchers at Tulane University School of Medicine have discovered that if animal cells gain an extra set of chromosomes, a condition known as polyploidy, they activate a stress signaling pathway that causes them to become ...

Apr 21, 2026
Medical Xpress / Alzheimer's drugs offer little benefit, major review finds. And the reasons go deeper than the science

How is it possible to spend tens of billions of dollars developing drugs to treat a serious disease that affects millions of people, and yet end up with something that does not work? This is a mystery that has bedeviled Alzheimer's ...

Apr 21, 2026
Medical Xpress / Potential therapeutic strategy for Alzheimer's disease improves efficiency of learning and recall

Researchers have found evidence that a therapeutic strategy which makes the brain work more efficiently to learn and recall memories may in fact help to target compromised brain activity in Alzheimer's disease. The study ...

Apr 21, 2026
Medical Xpress / Chaotic heartbeat patterns track brain activity more clearly than conventional signals, researchers report

A team of researchers at Kyoto University have demonstrated that the chaotic component of heartbeat variability is uniquely sensitive to cognitive brain activity. Conventional heart rate variability, HRV, indices show no ...

Apr 21, 2026
Medical Xpress / Childhood trauma tied to tough depression cases

People who have experienced adverse childhood experiences are at increased risk of developing depression later in life that is difficult to treat. This is shown in a new twin study from Karolinska Institutet based on Swedish ...

Apr 21, 2026
Medical Xpress / High-resolution brain atlas expands with 18 tasks across 11 repeatedly scanned volunteers

The Individual Brain Charting (IBC) project has released its fifth and largest update of high-resolution fMRI data, adding a new set of cognitive tasks to one of the most detailed brain-mapping datasets available today. The ...

Apr 21, 2026