Medical Xpress news

Medical Xpress / One of the oldest psychedelics meets modern brain imaging

For millennia, people have used the psychedelic mescaline as a spiritual and religious tool. Mescaline is a naturally occurring chemical found in cacti, mainly peyote cacti, that are located in the Southwest United States ...

Jul 21, 2026
Medical Xpress / People are living longer, but spending more years in poor health

People around the world are living longer than ever before but spending more of those additional years in poor health, according to a new Global Burden of Disease (GBD) study published in The Lancet Public Health.

Jul 21, 2026
Medical Xpress / Brain waves once seen as noise could help build a biological model of reality

Your brain has something surprising in common with the ocean: waves. Electrical activity washes over the brain's surface, creating what are called traveling brain waves, or neural traveling waves. These waves cause real differences ...

Jul 21, 2026
Medical Xpress / Estrogen-like mold toxins linked to corn products found in all pregnant participants in small pilot study

Consuming common foods such as corn chips and popcorn may put pregnant women at risk of exposure to mycotoxins—harmful substances produced by mold—according to Rutgers researchers.

Jul 21, 2026
Medical Xpress / Sudden cardiac death condition shown to have linked genetic variations

Scientists have found that the "sudden" cardiac death condition related to high-profile deaths or major medical episodes of sports stars including Fabrice Muamba, Christian Erikson and Mark-Vivian Foe, has numerous linked ...

Jul 21, 2026
Medical Xpress / Why brains lose their flexibility in psychiatric conditions

Individuals with psychiatric conditions show reduced flexibility in their brain network dynamics, according to a new Rutgers study. The human brain is organized into networks that can adaptively shift and reorganize to meet ...

Jul 21, 2026
Medical Xpress / Microneedles may help light reach hard-to-treat skin cancers

Photodynamic therapy (PDT) uses a light-sensitive drug and a specific wavelength of light to destroy cancer cells. The treatment has become an important option for certain skin cancers because it can target diseased tissue ...

Jul 21, 2026
Medical Xpress / 'Cellular behavioromics' reveals how immune cells swarm during sepsis

Despite the best efforts of intensive care unit (ICU) staff and physicians and the most advanced life support, Dr. Bryan Yipp, witnesses many deaths in the ICU attributed to sepsis. "Sepsis is the body's overwhelming immune ...

Jul 21, 2026
Medical Xpress / It's not just fat: Yo-yo dieting might mean losing muscle, too

Repeatedly losing and gaining weight may do more than frustrate dieters—it also accelerates muscle loss in middle-aged people, according to new UC San Francisco research that comes as weight-loss medications transform obesity ...

Jul 21, 2026
Medical Xpress / Synthetic peptide blocks key asthma inflammation switch in cells and mice

A team from the University of Bonn and the Research Center Borstel, Leibniz Lung Center (FZB) has discovered a previously unknown mechanism of action for a synthetic peptide that mitigates excessive inflammatory responses ...

Jul 21, 2026
Medical Xpress / High-speed 3D imaging reveals how seizures move through the brain

Seizures can race through the brain in seconds, making them difficult to capture in detail. To overcome this challenge, researchers have developed a new high-resolution light-sheet imaging system that is fast enough to image ...

Jul 21, 2026
Medical Xpress / Semaglutide sustains lower calorie intake for more than a year, study shows

People taking semaglutide for weight loss continued to consume significantly fewer calories after 60 weeks on the medication, helping explain how the medication supports both initial weight loss and long-term weight maintenance. ...

Jul 21, 2026