Medical Xpress news

Medical Xpress / 'No difference' results may be wrong conclusion from medical data research, scientists warn

Researchers from the Universities of Manchester, Oxford and Arkansas are urging scientists to stop treating "nonsignificant" results as proof that nothing happened. The common statistical mistake, they warn in a new paper ...

Aug 18, 2026
Medical Xpress / Dementia discovery explains link between delirium after surgery, cognitive decline

UVA Health researchers have discovered how a form of delirium that often strikes older patients after surgery may set the stage for dementia—and identified a drug that could reverse the underlying brain changes.

Aug 18, 2026
Medical Xpress / Decision support guidelines safely reduce unnecessary testing for very sick children, study finds

Clinicians often collect an endotracheal aspirate culture (EAC) from patients of all ages with breathing tubes to check mucus for signs of bacterial infection, a complication that can be deadly. Historically, however, clinical ...

Aug 18, 2026
Medical Xpress / New mechanistic insights into the role of inflammatory molecules in cancer progression

Immune checkpoint inhibitors have revolutionized cancer treatment, yet many colorectal tumors remain resistant. Even among patients who initially respond, more than half eventually develop resistance, highlighting the need ...

Aug 18, 2026
Medical Xpress / Tracking trauma over time improves prediction of long-term mental health

Nearly 15 years after the Great East Japan Earthquake, many survivors are still living with the psychological effects of the disaster. A new study from Tohoku University has found that changes in trauma symptoms during the ...

Aug 18, 2026
Medical Xpress / Common arthritis pill repurposed to boost hair regrowth in alopecia patients

Upadacitinib is a medication widely used for the treatment of rheumatoid arthritis that works by inhibiting Janus kinase (JAK) enzymes, which are involved in signaling pathways that regulate immune responses. Now, scientists ...

Aug 17, 2026
Medical Xpress / Experimental pill targets nerve pain pathway, cutting opioid use after abdominal surgery

Opioids can be highly effective at relieving moderate to severe pain, whether it comes from surgery, an injury or conditions such as cancer. They work by activating opioid receptors in the brain and body, which block pain ...

Aug 17, 2026
Medical Xpress / Hidden immune environment uncovered in thymuses of myasthenia gravis patients

Northwestern Medicine scientists have uncovered a previously hidden immune environment in the thymus that may help drive myasthenia gravis (MG), a chronic autoimmune disease that causes muscle weakness and fatigue, mainly ...

Aug 17, 2026
Medical Xpress / Brain receptors may act as biological brakes on chronic pain after nerve injury

Deep at the base of the brain, a tiny cluster of nerve cells serves as the body's natural pain reliever, dialing down pain signals traveling up the spinal cord. But nerve damage can flip this system into a hyperactive engine ...

Aug 17, 2026
Medical Xpress / From brain wiring to stress and metabolism, one 'mastermind' gene has a finger on the switch

Many people find themselves losing appetite—or, conversely, overeating—in difficult situations, and these common reactions to stress suggest that the mind and metabolism are deeply connected. A new study from the Weizmann ...

Aug 17, 2026
Medical Xpress / Flexible brain circuits can switch between different tasks

As we move through everyday life, our brains engage in a huge variety of cognitive tasks. For example, during a grocery run, we might have to recall the items for a recipe, remember where the clerk said the flour was located ...

Aug 17, 2026
Medical Xpress / Laser therapy offers weapon against deadly brain tumors

For patients facing a diagnosis of glioblastoma—one of the most aggressive and devastating forms of brain cancer—the standard path forward has long meant invasive open-skull surgery and a daunting prognosis.

Aug 17, 2026