Medical Xpress news

Medical Xpress / Specialized neuron populations in the mouse cortex coordinate to guide correct decisions, study suggests

For decades, neuroscientists have been trying to pinpoint the neural underpinnings of behavior and decision-making. Past studies suggest that specialized groups of neurons in the mammalian brain, particularly in the cortex, ...

10 hours ago in Neuroscience
Medical Xpress / Discovery about brain receptors may open the door to new Alzheimer's treatments

Researchers at Karolinska Institutet in Sweden and the RIKEN Center for Brain Science in Japan have identified two receptors in the brain that control the breakdown of amyloid beta, a substance that accumulates in Alzheimer's ...

11 hours ago in Neuroscience
Medical Xpress / Tirzepatide's benefits fade for most: Weight and health markers rebound after withdrawal, study finds

Eli Lilly and Company, along with partner institutions in the US and United Kingdom, describe how short-term pharmacologic intervention does not appear to have lasting effects for most tirzepatide patients. People with obesity ...

Nov 28, 2025 in Overweight & Obesity
Medical Xpress / New insight into how protein TDP-43 affects gene expression in ALS and FTD

Neurodegenerative diseases, such as Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are medical conditions characterized by the progressive degradation of cells in the brain, ...

Nov 28, 2025 in Genetics
Dialog / Patients are more than participants: What meaningful engagement really looks like—and why it improves health research

When we talk about "patient engagement" in research, it can sound like a slogan on a grant application rather than something that changes people's lives.

Nov 28, 2025 in Medical research
Medical Xpress / The 'Miracle Mineral Solution'—amazing cure or toxic illusion?

Miracle Mineral Solution, also known as MMS, has been marketed for years as a purported miracle cure for various conditions, including cancer, autism, and COVID-19. MMS is the marketing name for sodium chlorite (NaClO₂), ...

Nov 28, 2025 in Medical research
Medical Xpress / Why metabolism matters in Fanconi anemia: How a rare genetic disorder disrupts energy pathways

Experts at Cincinnati Children's have uncovered striking metabolic differences in people with Fanconi anemia (FA), a rare genetic disorder that causes bone marrow failure and dramatically increases cancer risk.

Medical Xpress / High-intensity training improves muscle function in inflammatory muscle disease, study suggests

High-intensity interval training boosts fitness and muscle endurance more effectively than traditional home exercise programs in people recently diagnosed with inflammatory muscle disease. That is the conclusion of a new ...

Nov 28, 2025 in Inflammatory disorders
Medical Xpress / Drug combination sidesteps resistance in aggressive childhood neuroblastoma models

A discovery from Australian researchers could lead to better treatment for children with neuroblastoma, a cancer that currently claims 9 out of 10 young patients who experience recurrence. The team at the Garvan Institute ...

Nov 28, 2025 in Oncology & Cancer
Medical Xpress / RSV vaccines could offer protection against asthma

Belgian scientists from VIB and Ghent University (UGent), together with Danish collaborators, have uncovered compelling evidence that early-infancy infection with respiratory syncytial virus (RSV) significantly increases ...

Nov 28, 2025 in Immunology
Medical Xpress / Why important genes 'go quiet' as we get older

The human gut renews itself faster than any other tissue: every few days, new cells are created from specialized stem cells. However, as we get older, epigenetic changes build up in these stem cells. These are chemical markers ...

Nov 28, 2025 in Genetics
Medical Xpress / Prototype device restores lost smell by teaching the brain to feel odors

There is new hope for people who have lost their smell. Scientists have successfully tested a breakthrough device that lets people detect the presence of certain odors. This innovative system helps them "smell" again by translating ...

Nov 28, 2025 in Neuroscience