Medical Xpress news
Medical Xpress / Blood-based tests show strong promise for dementia diagnosis—but population diversity matters
In a study published today, Friday, February 13, 2026, in the journal Nature Aging, researchers show that blood-based biomarkers can support accurate dementia diagnosis across diverse populations when integrated with cognitive ...
Medical Xpress / Clinicians as team leads may raise the odds AI improves care, study suggests
Over the last decade, the use of artificial intelligence (AI) in health care has risen significantly, but AI-driven innovations in health care delivery have not fully met expectations. Research on the use of AI in health ...
Medical Xpress / Human stem cell lines offer new resource to help study HIV progression
King's College London researchers have created a unique collection of human stem cell models that could help to uncover why HIV leads to different outcomes in different people. The research was carried out by Dr. Nathalia ...
Medical Xpress / Men lose their Y chromosome as they age: Scientists thought it didn't matter—but now we're learning more
Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health. But evidence has mounted over the past ...
Medical Xpress / Parkinson's disease triggers a hidden shift in how the body produces energy
Weight loss is a well-recognized but poorly understood non-motor feature of Parkinson's disease (PD). Many patients progressively lose weight as the disease advances, often alongside worsening motor symptoms and quality of ...
Medical Xpress / What telehealth changes for adult survivors of childhood cancers: More genetic testing, earlier screening options
Adult survivors of childhood cancers are at higher risk for another cancer—such as breast, colorectal, sarcomas and thyroid cancer—that is not a relapse of their original illness. Previous cancer therapies are largely ...
Medical Xpress / Inactivity linked to up to 10% of type 2 diabetes complications
A lack of exercise drives a good portion of the health problems faced by people with type 2 diabetes, a new study says.
Medical Xpress / Sour grapes? Experience of sour food depends on individual consumer
Biting into a tart green apple is a different taste and sensory experience than sucking juice from a lemon—and both significantly vary from accidentally consuming spoiled milk. Each of these foods contains a different organic ...
Medical Xpress / Pre-exercise sexual activity does not harm strength or endurance in male athletes, finds new study
Athletes may not have to observe pre-game abstinence before a big event after all. According to new research, sexual activity before intense exercise doesn't slow down an athlete's performance—in some cases, it may even ...
Medical Xpress / Why visceral fat triggers diabetes: Study points to loss of protective macrophages
Scientists at the University of Pittsburgh School of Medicine discovered a surprising new way the body can fight insulin resistance and diabetes—by boosting a special type of "good" immune cell in fat tissue.
Medical Xpress / Exercise may train the brain to build endurance via SF1 neuron activity
Exercise does more than strengthen muscles; it also rewires the brain. In a study published in Neuron, researchers reveal that the lasting gain in endurance from repeated exercise—such as the ability to run farther and ...
Medical Xpress / Scientists discover new gatekeeper cell in the brain
VIB and Ghent University researchers have identified and characterized a previously unknown cellular barrier in the brain, which sheds new light on how the brain is protected from the rest of the body. In a study published ...
