Medical Xpress news

Medical Xpress / Chronic lymphocytic leukemia: New origins and biomarkers revealed

Researchers at the University of Eastern Finland and their international collaborators have identified key developmental and molecular differences between the two main subtypes of chronic lymphocytic leukemia, CLL. The findings, ...

Nov 18, 2025 in Oncology & Cancer
Medical Xpress / Heavy cannabis use during pregnancy linked to disruption in brain growth

McGill University researchers at the Douglas Research Center have found evidence that heavy cannabis use during pregnancy can cause delays in brain development in the fetus that persist into adulthood.

Nov 18, 2025 in Neuroscience
Medical Xpress / First fully synthetic brain tissue model engineered by scientists

For the first time, scientists have grown functional, brain-like tissue without using any animal-derived materials or added biological coatings. The development opens the door to more controlled and humane neurological drug ...

Nov 18, 2025 in Neuroscience
Medical Xpress / AI can improve mental health questionnaires by detecting overlaps and redundancies

Large language models can help improve questionnaires used to diagnose mental illness by optimizing symptom generalizability and reducing redundancy. They can even contribute to new conceptualizations of mental disorders. ...

Nov 18, 2025 in Psychology & Psychiatry
Medical Xpress / 'Breathing' robots reveal how fear spreads through touch

Humans can "catch" fear from robots, new research has shown. The findings—by a team of psychologists from the University of Amsterdam and the University of British Columbia—shed new light on how emotions can spread through ...

Nov 18, 2025 in Psychology & Psychiatry
Medical Xpress / Gut bacteria associated with life-threatening complications in African children with severe malaria

Indiana University School of Medicine scientists have uncovered new evidence that changes in the gut bacteria of African children with severe malaria are linked to life-threatening complications.

Medical Xpress / Bone marrow model built entirely from human cells can reduce animal testing

Our body's "blood factory" consists of specialized tissue made up of bone cells, blood vessels, nerves and other cell types. Now, researchers have succeeded for the first time in recreating this cellular complexity in the ...

Nov 18, 2025 in Medical research
Medical Xpress / Deep brain stimulation succeeds for 1 in 2 patients with treatment-resistant severe depression and anxiety in trial

Deep brain stimulation—implants in the brain that act as a kind of "pacemaker"—has led to clinical improvements in half of the participants with treatment-resistant severe depression in an open-label trial.

Nov 18, 2025 in Psychology & Psychiatry
Medical Xpress / Chasing a winning streak: A new way to trigger responses in the body by simulating psychological pressure

Researchers at the University of Tokyo have developed an experimental method to induce a strong physiological response linked to psychological pressure by making participants aim for a streak of success in a task.

Nov 18, 2025 in Psychology & Psychiatry
Medical Xpress / Long COVID can take eight different trajectories, study finds

New research led by Mass General Brigham followed more than 3,500 patients, finding that 10.3% had symptoms consistent with long COVID three months after infection, 81% of whom continued to experience persistent or intermittent ...

Medical Xpress / Looking good isn't everything: Researchers assess AI method for processing medical images

Artificial intelligence has exploded in popularity in recent years, and many proponents are excited about its potential uses in medicine: for example, processing samples quickly or identifying markers of disease that may ...

Nov 18, 2025 in Radiology & Imaging
Medical Xpress / COVID-19 pandemic boosted wages for the lowest-earning health care workers, finds study

For the past several decades, the American economy has seen consistently widening wage gaps. Highly educated and specially trained workers have seen their salaries steadily rise, while less-educated workers in lower-wage ...

Nov 18, 2025 in Medical economics