Medical Xpress news

Medical Xpress / US officials sidelined warnings about flawed COVID vaccine safety algorithm, investigation finds

U.S. health officials knowingly relied on a compromised algorithm to detect signals of harm from mRNA COVID-19 vaccines and silenced efforts to fix it, finds an investigation published by The BMJ today.

Sep 16, 2026
Medical Xpress / Epstein-Barr virus activity may foreshadow multiple sclerosis attacks

A new study illuminates the connection between the Epstein-Barr virus (EBV) and multiple sclerosis (MS), pointing to a causal role for reactivation of the virus in triggering MS attacks in people with certain genetic risk ...

Sep 16, 2026
Medical Xpress / New test could dramatically speed diagnosis of hard-to-detect lung infections

A little-known chronic lung disease is silently emerging as a growing public health threat in the U.S. and around the world. Nontuberculous mycobacteria—a group of 200 known environmental bacteria found in soil and water, ...

Sep 16, 2026
Medical Xpress / Placenta study identifies earliest signs of autism risk

How does autism develop? While genetics play a major role, researchers know that environmental factors during pregnancy also contribute to autism spectrum disorder.

Sep 16, 2026
Medical Xpress / Your gut bacteria make a molecule that fights a leading cause of food poisoning

What if something produced naturally by your gut bacteria could help fight a dangerous foodborne pathogen? Researchers in Michigan State University's Department of Microbiology, Genetics, & Immunology may have found just ...

Sep 16, 2026
Medical Xpress / 'Momnesia' is real—scientists find a biological explanation for temporary forgetfulness during pregnancy

Many women say the same thing during pregnancy: They walk into a room and forget why, misplace their keys or struggle to follow a conversation. This phenomenon, often called "pregnancy brain" or "momnesia," has long lacked ...

Sep 16, 2026
Medical Xpress / Women less likely than men to be offered active medical treatment for the same conditions

New research from the University of St Andrews has found that women are less likely than men with the same medical condition to be offered active management such as surgery, a stent or a strong painkiller.

Sep 16, 2026
Medical Xpress / Metabolite buildup reveals how aggressive brain tumors activate nearby neurons

Virtually all high-grade, aggressive gliomas in adults accumulate massive amounts of a metabolite called guanidinoacetate (GAA) that overstimulates nearby neurons and promotes tumor growth, according to new research from ...

Sep 16, 2026
Medical Xpress / Ancestral diet-inspired pregnancy trial boosts growth in key fetal brain region

A nutrition program for pregnant women inspired by ancestral dietary patterns and adapted to locally available foods in Ecuador increased growth in a key fetal brain region, according to a study led by researchers at Washington ...

Sep 16, 2026
Medical Xpress / CAAR T-cell therapy offers a more targeted route for neurological autoimmune diseases

Researchers at DZNE and Charité—Universitätsmedizin Berlin are working on a targeted therapy for neurological autoimmune diseases. So far, they have successfully tested their approach in mouse studies involving two such conditions. ...

Sep 16, 2026
Medical Xpress / AI estimates retinal age, revealing sex-specific aging patterns and links to disease risk

A team from the Department of Computational Biology at the University of Lausanne has developed an artificial intelligence model capable of estimating a person's retinal age from a simple photograph of the back of the eye. ...

Sep 16, 2026
Medical Xpress / Patient-specific AI technique could make minimally invasive surgeries safer and more precise

Researchers have created a new technique that accurately and rapidly matches X-rays captured during surgery with a patient's preoperative 3D medical scan. This method could make it easier for clinicians to precisely guide ...

Sep 16, 2026