Medical Xpress news

Medical Xpress / Antiviral trial ties valacyclovir to faster cognitive decline

New York State Psychiatric Institute and Columbia University Medical Center investigators, with co-authors across additional US centers, report greater cognitive worsening at 78 weeks with valacyclovir than with placebo among ...

Dec 22, 2025 in Medications
Medical Xpress / AI-powered wearable boosts preventative care for elderly

University of Arizona researchers in the Gutruf Lab have developed a comfortable, easy-to-use wearable device that incorporates artificial intelligence to detect subtle warning signs of frailty, signifying a leap forward ...

Dec 22, 2025 in Gerontology & Geriatrics
Medical Xpress / High-fat diets make liver cells more susceptible to cancer-causing mutations, study shows

One of the biggest risk factors for developing liver cancer is a high-fat diet. A new study from MIT reveals how a fatty diet rewires liver cells and makes them more prone to becoming cancerous.

Dec 22, 2025 in Oncology & Cancer
Medical Xpress / First comprehensive Great Steppe genomic dataset uncovers unique variants

Researchers from Nazarbayev University's National Laboratory created the first large-scale, high-quality genotyping dataset of healthy Kazakh individuals—a landmark contribution to global population genomics and biomedical ...

Dec 22, 2025 in Genetics
Medical Xpress / Key brain cell 'hubs' found to synchronize the body's internal clock

What makes someone a "morning lark" or a "night owl?" Why does jet lag hit us so hard, and why do some people struggle each winter with seasonal affective disorder? Clues to these puzzles may lie in a tiny brain region called ...

Dec 22, 2025 in Neuroscience
Medical Xpress / New clues to preventing stillbirth: Research highlights premature placental aging

Flinders University researchers have uncovered a biological process that could explain some stillbirths and pave the way for early detection and prevention.

Dec 22, 2025 in Genetics
Medical Xpress / Scientists build virtual tissue tools to map how cells talk in disease

Scientists at Duke-NUS Medical School have developed two powerful computational tools that could transform how researchers study the "conversations" between cells inside the body. The tools, called sCCIgen and QuadST, help ...

Dec 22, 2025 in Medical research
Medical Xpress / Genes aren't destiny for inherited blindness, study shows

A new study challenges what's long been assumed about genetic variants thought to always cause inherited blindness. Investigators from Mass General Brigham used large public biobanks to determine that genes thought to cause ...

Dec 22, 2025 in Genetics
Medical Xpress / Homer1 gene calms the mind and improves attention in mice

Attention disorders such as ADHD involve a breakdown in our ability to separate signal from noise. The brain is constantly bombarded with information, and focus depends on its ability to filter out distractions and detect ...

Dec 22, 2025 in Genetics
Medical Xpress / Open-source software sheds light on cancer's hidden genetic networks

University of Navarra (Spain) researchers have developed RNACOREX, a new open-source software capable of identifying gene regulation networks with applications in cancer survival analysis.

Dec 22, 2025 in Oncology & Cancer
Medical Xpress / Probiotics can restore gut microbiome in breastfed infants, study shows

In recent years, scientists have learned that the key beneficial infant gut bacteria Bifidobacterium infantis are disappearing from infants in high-resource areas such as the United States and Europe. A new study published ...

Dec 22, 2025 in Pediatrics
Medical Xpress / Sex hormones reset our body clocks, research reveals

Disruptions to our circadian clocks—the internal molecular timekeepers "ticking" in nearly every cell of our body throughout the day—can lead to a wide range of health problems, from sleep disturbances to diabetes and ...

Dec 22, 2025 in Endocrinology & Metabolism