Medical Xpress news

Medical Xpress / Large-scale brain scan study reveals unexpected differences in motor and visual regions linked to depression

Major depressive disorder, commonly referred to as depression, is a debilitating psychiatric disorder estimated to affect roughly 5% of the global population. Depression is characterized by persistent sadness and hopelessness, ...

4 hours ago
Medical Xpress / Ancient mummy DNA provides scientific evidence that colonization brought smallpox to the Americas

Ancient mummy DNA recovered in Chile has yielded the firmest evidence yet that European colonization brought smallpox to the Americas.

2 hours ago
Medical Xpress / Deadly brain tumors show vulnerability to new sound wave approach

In a promising sign for the potential of focused sound waves to improve care for brain tumors, UVA Health researchers have determined that tumors called gliomas may be even more receptive to targeted drug delivery than normal ...

8 hours ago
Dialog / When more blood does not mean more neuronal energy during REM sleep

REM sleep is already called "paradoxical sleep." The body is largely still, yet the brain is highly active. In humans, this is also the stage most closely associated with vivid dreaming. Our study, published in Communications ...

5 hours ago
Medical Xpress / Scientists map dormant cancer cells' hideouts, opening new targets for treatment

Researchers at the MRC Laboratory of Medical Sciences (LMS), Imperial College London and UCL Genetics Institute have created a detailed map of cells within breast tumors and identified distinct neighborhoods of proliferating ...

6 hours ago
Medical Xpress / Study of 2 million newborns ties skipped vitamin K shot to higher bleeding risk

Newborns receive several routine immunizations shortly after birth. Prophylactic vitamin K is one such recommended shot. It activates several coagulation factors necessary for blood to clot properly, preventing vitamin K ...

Aug 1, 2026
Medical Xpress / Your personality changes more across your life than you think, according to new study

Personality traits have long been seen as set in stone, with many believing they stop changing once we reach adulthood. A recent study, however, challenges this long-held belief, suggesting that personality changes far more ...

Aug 1, 2026
Medical Xpress / Eye contact helps infants 'tune in' to speaker's brainwaves and learn language

Infants use eye contact with speakers to work out what to pay attention to and synchronize their brainwaves, helping them learn language, scientists in Cambridge and Singapore have shown.

Aug 1, 2026
Medical Xpress / Study suggests a shared logic of sensory processing across vertebrate brains

How does the brain make sense of what we see, hear and feel, and transform these separate signals into a coherent perception of the world?

Aug 1, 2026
Medical Xpress / New wearable stickers simplify cystic fibrosis diagnosis

A pair of wearable stickers may transform diagnostic sweat testing for cystic fibrosis (CF), a genetic disorder that causes problems with digestion and breathing.

Aug 1, 2026
Medical Xpress / CRISPR acts as commander-in-chief for backup defenses in bacteria

The main function of CRISPR-Cas systems is to defend bacteria against various threats, including viruses called bacteriophages. Researchers have continued to study all varieties of CRISPR-Cas systems (to date, two classes, ...

Aug 1, 2026
Medical Xpress / The first 72 hours: Hospital routines may undermine breastfeeding

An evidence review of international research suggests widespread misconceptions within the medical community about early milk production, pacifiers and breast pumps may be undermining breastfeeding success in the critical ...

Aug 1, 2026