Medical Xpress news

Medical Xpress / Those with positive experiences or conflicts of interest dominate FDA drug advisory meetings

U.S. Food and Drug Administration (FDA) advisory committees play a key role in evaluating the efficacy and safety of new drugs. They include open public hearing sessions, whereby patients, clinicians, and advocates share ...

Nov 24, 2025 in Medical economics
Medical Xpress / Most preschoolers failing to meet daily physical activity guidelines, study suggests

Fewer than 1 in 4 children aged 2 to 4 meet the recommended daily physical activity levels, a new study has found. Additionally, while children are much more active on days when they attend early years settings, most preschoolers ...

Nov 24, 2025 in Pediatrics
Medical Xpress / Prebiotic in diet linked to less impulsivity in gambling rats with traumatic brain injury

Using a prebiotic to influence bacterial activity in the gut after a traumatic brain injury may help reduce impulsive behavior, one of the common symptoms to follow a moderate blow to the head, a new study in rats suggests.

Nov 24, 2025 in Neuroscience
Medical Xpress / Epigenetic changes regulate gene expression, but what regulates epigenetics?

All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics—meticulously placed chemical tags that influence which genes are expressed in each cell. Mistakes or ...

Nov 23, 2025 in Genetics
Medical Xpress / AI-driven system automates fax filing and digital consent, saving 8,500 staff hours

An emerging artificial intelligence-powered system developed at Penn Medicine has tripled the speed of fax processing and cut a full week off the new patient intake process—freeing up thousands of staff hours. The system, ...

Nov 23, 2025 in Health informatics
Medical Xpress / Macrophage-killing bacterial toxin weakens the gut's defenses against ulcerative colitis

Ulcerative colitis (UC) is one of the most common inflammatory bowel diseases, a lifelong condition that can cause chronic inflammation and ulcers in the lining of the large intestine. This can lead to symptoms such as rectal ...

Nov 22, 2025 in Immunology
Medical Xpress / Nasal nanomedicine delivers immune-boosting therapy to fight brain tumors

Researchers at Washington University School of Medicine in St. Louis, along with collaborators at Northwestern University, have developed a noninvasive approach to treat one of the most aggressive and deadly brain cancers. ...

Nov 22, 2025 in Immunology
Medical Xpress / Not all immune cells are created equal: Memory T cells in tissues outlast those in blood

Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found throughout the body: some ...

Nov 22, 2025 in Immunology
Medical Xpress / Flu activity is low, but experts worry about a new strain and vaccination rates

The U.S. flu season is starting slowly, and it's unclear if it will be as bad as last winter's, but some health experts are worried as U.S. Centers for Disease Control and Prevention data posted Friday shows a new version ...

Nov 22, 2025 in Health
Medical Xpress / Current heart attack screening tools fail to identify half the people who are at risk, study shows

Current cardiac screening tools used to prevent heart attacks fail to identify nearly half of the people who are actually at risk of having one, according to a new study led by Mount Sinai researchers.

Nov 21, 2025 in Health
Medical Xpress / A two-minute fix for procrastination

You know that assignment, message or email you keep avoiding—the one that lingers in the back of your mind even as you scroll, tidy or "just check one more thing"? New research from UC Santa Barbara offers a science-backed ...

Nov 21, 2025 in Psychology & Psychiatry
Medical Xpress / Astrocytes clear amyloid plaques and preserve cognitive function in Alzheimer's mouse models

Researchers at Baylor College of Medicine have discovered a natural mechanism that clears existing amyloid plaques in the brains of mouse models of Alzheimer's disease and preserves cognitive function. The mechanism involves ...

Nov 21, 2025 in Neuroscience