Medical Xpress news

Medical Xpress / Individual genetic differences can render some antibody-based therapies ineffective

Antibody-based therapies are used to treat numerous diseases, from cancer to rheumatic disorders and multiple sclerosis. Antibodies recognize and bind to very specific structures. This allows them to direct active substances ...

Dec 17, 2025 in Genetics
Medical Xpress / 'Zap-and-freeze' snapshots catch brain cells in the act of learning

Researchers at Leipzig University's Carl Ludwig Institute for Physiology, working in collaboration with Johns Hopkins University, have achieved an important breakthrough in brain research. The so-called zap-and-freeze technique, ...

Dec 17, 2025 in Neuroscience
Medical Xpress / New details on role of fat transport molecules in Alzheimer's onset

A new study presents robust evidence on the role of lysophosphatidylcholines (LPCs) in the onset of Alzheimer's disease. Researchers discovered that LPCs—compounds that transport a variety of healthy fatty acids to the ...

Dec 17, 2025 in Genetics
Medical Xpress / How do brains stay stable, and when might a dose of flexibility be helpful?

Young minds are easily molded. Each new experience rewires a child's brain circuitry, adding and removing synaptic connections between neurons. These wiring patterns become more stable with age, but biology has left some ...

Medical Xpress / Patient-specific human liver model lays foundation for personalized treatments

Liver disease is a major global health problem, causing over two million deaths worldwide each year. While animal models have helped to understand liver biology, they often fail to accurately translate to human biology.

Dec 17, 2025 in Biomedical technology
Medical Xpress / Chronic fatigue syndrome linked to widespread energy, immune and vascular changes

New Australian research has identified simultaneous abnormalities across multiple biological systems in people with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).

Medical Xpress / Exposure to PFAS and PCBs linked to higher odds of multiple sclerosis

People who have been exposed to both PFAS and PCBs are more likely to be diagnosed with multiple sclerosis (MS). These new research findings are based on analyses of blood samples from more than 1,800 individuals in Sweden, ...

Medical Xpress / COVID-19 virus manipulates host cell RNA to shut down the immune system, study reveals

Researchers at the Federal University of São Paulo (UNIFESP) in Brazil have discovered that SARS-CoV-2, the virus that causes COVID-19, uses a sophisticated tactic to evade the human body's defense system. In addition to ...

Medical Xpress / New classification system reveals PCOS subtype linked to extended fertility in Asian populations

Globally, around 11% to 13% of women live with polycystic ovary syndrome (PCOS), a hormonal disorder that affects the function of the ovaries, which may cause irregular menstrual periods, excess hair growth, acne, fertility ...

Dec 17, 2025 in Obstetrics & gynaecology
Medical Xpress / Short, light-intensity exercise can boost executive function and elevate mood in children

In modern society, physical inactivity and sedentary behavior have become common issues globally. This trend is also growing among children, raising concerns for their mental and physical health.

Dec 17, 2025 in Pediatrics
Medical Xpress / Women face greater challenges than men in daily task recovery after stroke

When examining recovery during the first year after an ischemic stroke, a new study has found for daily tasks such as eating, dressing and driving, female participants experienced slightly worse recovery than male participants. ...

Dec 17, 2025 in Neuroscience
Medical Xpress / PTSD in World Trade Center responders linked to measurable physical changes in brain structure

New research among World Trade Center (WTC) responders with chronic post-traumatic stress disorder (PTSD) has uncovered measurable physical changes in their brain structure, consistent with changes in the balance of myelinated ...

Dec 17, 2025 in Psychology & Psychiatry