Medical Xpress news

Medical Xpress / Unexpected vitamin B1 connection emerges in genetic study of gut motility

Bowel habits aren't exactly dinner-table talk. But they reflect how quickly the gut moves things along, and when that goes wrong, people can experience constipation, diarrhea, or irritable bowel syndrome (IBS). Yet the biological ...

Jan 20, 2026 in Genetics
Medical Xpress / Mix of different types of physical activity may be best for longer life

Regularly doing a mix of different types of physical activity may be best for prolonging the lifespan, but the associations aren't linear, pointing to a possible optimal threshold effect, suggests research published in the ...

Jan 20, 2026 in Health
Medical Xpress / A closer look at how local protein production is altered in ALS

The functioning of neurons, cells that transmit information in the nervous system, heavily relies on the production of proteins. Proteins are synthesized both inside cells (i.e., in the soma) and locally along axons, projections ...

Jan 20, 2026 in Neuroscience
Medical Xpress / An oral cancer drug shows promise against aggressive brain tumors

A national clinical trial led by the Alliance for Clinical Trials in Oncology has found that abemaciclib, an oral cancer drug, may slow tumor growth in patients with aggressive meningiomas that have specific genetic mutations. ...

Jan 20, 2026 in Medications
Medical Xpress / Dual gene deletion reveals potential biomarkers for predicting immunotherapy success

The deletion of two cancer genes, CHD1 and MAP3K7, improves how well tumors respond to cancer immunotherapy and could be used as biomarkers to help predict which patients are most likely to benefit from treatment, new research ...

Jan 20, 2026 in Genetics
Medical Xpress / B cells play a more sinister role than believed in progression of type 1 diabetes

A recent study by Vanderbilt Health researchers has revealed a greater, detrimental role for B lymphocytes (B cells) in the progression of type 1 diabetes (T1D).

Jan 20, 2026 in Diabetes
Medical Xpress / Community water fluoridation not linked to lower birth weight, large US study finds

A new study from Columbia University Mailman School of Public Health finds that community water fluoridation (CWF) is not associated with significant changes in birth weight—a widely accepted indicator of infant health ...

Jan 20, 2026 in Health
Medical Xpress / Exposure to wildfire smoke late in pregnancy may raise autism risk in children

Exposure to wildfire smoke during the final months of pregnancy may raise the risk that a child is later diagnosed with autism, according to a new study led by Tulane University researchers.

Jan 20, 2026 in Autism spectrum disorders
Medical Xpress / New AI uncovers hidden patterns in biomedical knowledge graphs

A new artificial intelligence (AI) method called BioPathNet helps researchers systematically search large biological data networks for hidden connections—from gene functions and disease mechanisms to potential therapeutic ...

Jan 20, 2026 in Health informatics
Medical Xpress / Blocking immune cells in the brain can prevent infantile amnesia

Scientists have found that blocking microglia (specialist immune cells in the brain) prevents infant forgetting ("infantile amnesia") and improves memory in mice, suggesting that microglia may actively manage memory formation ...

Jan 20, 2026 in Neuroscience
Medical Xpress / Qatari genetic map reveals over 150,000 structural variants

Research co-led by King's College London and Sidra Medicine, Qatar, has produced the most detailed map to date of large-scale genetic differences in the Qatari population, providing a clearer picture of the genetic diversity ...

Jan 20, 2026 in Genetics
Medical Xpress / Potential new target to treat Parkinson's disease discovered

About 1 million Americans suffer from Parkinson's disease, with around 90,000 new cases diagnosed each year, according to the Parkinson's Foundation. The chronic, degenerative brain disorder destroys dopamine-producing cells ...

Jan 20, 2026 in Neuroscience