Medical Xpress news

Medical Xpress / Solving a 15-year mystery: Scientists discover how gut bacteria toxin invades colon cells to trigger cancer

Since a landmark 2009 study, researchers have known that a common gut bacterium, Bacteroides fragilis, drives colon tumor formation, potentially leading to colorectal cancer, by secreting a toxin that damages the lining of ...

19 hours ago
Medical Xpress / AI language models struggle with basic hospital data tasks, study finds

A new study finds that large language models (LLMs), used with straightforward prompting, perform poorly on routine number-crunching tasks that hospital administrators depend on every day to track patients and allocate resources. ...

18 hours ago
Medical Xpress / Cancer cells are better able to resist treatments when they have an abnormal number of chromosomes

A new study led by NYU Langone Health researchers has found that cancer cells are better able to resist treatments when they have an abnormal number of chromosomes, the DNA strands wound up in bundles that control which genetic ...

18 hours ago
Medical Xpress / Study identifies new strategy to overcome immunotherapy resistance in colorectal cancer

Researchers at the Icahn School of Medicine at Mount Sinai and the Mount Sinai Tisch Cancer Center have identified a promising new strategy to overcome resistance to immunotherapy in colorectal cancer, one of the leading ...

20 hours ago
Medical Xpress / Study finds no benefit to miniature heart pump during complex stent procedures

Results from the first randomized trial of Impella pumps during complex stent procedures, published in the New England Journal of Medicine, have shown that the pumps offer no significant benefit to patients compared to standard ...

19 hours ago
Medical Xpress / This everyday plant protein may be quietly reshaping blood pressure risk in ways doctors cannot ignore

A higher dietary intake of soy and legumes is linked to a lower risk of high blood pressure, finds a pooled data analysis of the available evidence, published in the open access journal BMJ Nutrition Prevention & Health.

17 hours ago
Medical Xpress / A new map for inflammatory bowel disease: Human DNA in stool reveals disease activity

Inflammatory bowel disease (IBD), affecting an estimated 6–8 million people worldwide, may soon be monitored with a simple stool test instead of invasive procedures. Researchers have demonstrated that human DNA in fecal matter, ...

16 hours ago
Medical Xpress / Finger-prick blood test may spot active tuberculosis early and predict who develops disease

Household contacts of people with tuberculosis (TB) have a high risk of getting TB themselves, at around 2%. It is currently difficult to detect TB in its early stages, or predict who will go on to have TB, and therefore ...

16 hours ago
Medical Xpress / New heart disease risk prediction tool validated globally

A tool developed by the American Heart Association (AHA), proven to accurately predict heart disease risk for Americans, can be applied to the global population, a new study led by NYU Langone Health shows.

17 hours ago
Medical Xpress / Past hantavirus outbreak shows how Andes virus spreads

An elderly man had just started running a fever when he walked into a birthday party in the Argentine village of Epuyen in 2018.

21 hours ago
Medical Xpress / Adult ADHD care may need rethink as symptom severity, not medication alone, drives deficits

ADHD is usually associated with being careless, impulsive and having difficulty concentrating. New research focused on ADHD in adults indicates a greater number of cognitive and motor symptoms, and that the effects of medication ...

18 hours ago
Medical Xpress / Lithium may help curb impulsive decisions tied to suicide risk

A new study finds that brain electrical activity tied to impulsive decision-making—a key contributor to suicide risk—changes after lithium treatment in people who have survived a life-threatening suicide attempt. The findings ...

17 hours ago