Medical Xpress news
Medical Xpress / Gut bacteria may transform spinach, beets and plant iron into protective compounds
Researchers at Karolinska Institutet have discovered that gut bacteria can convert dietary nitrate and iron into protective molecules that may reduce the risk of cardiovascular and metabolic diseases. The study, published ...
Medical Xpress / Aging reprograms skin genetic activity and promotes inflammation, study reveals
As we age, the skin loses part of its ability to regenerate, heal wounds and maintain an effective barrier against the outside world. Among the causes of this deterioration is low-grade, persistent age-associated inflammation, ...
Medical Xpress / Human multi-organ chip tracks breast cancer spread to bone and lung
Cancer spreading beyond the primary tumor—a process known as metastasis—is responsible for at least two-thirds of cancer deaths. Drugs targeting metastatic progression have largely failed, in part because of the lack of predictive ...
Medical Xpress / World's largest psilocybin brain-imaging study maps how context reshapes psychedelic effects
A landmark five-year study by Monash University has found psychedelics reorganize brain patterns, giving clinicians powerful new insights into their therapeutic potential.
Medical Xpress / Newly found 'immune organ' inside skull directs brain defense
Researchers at Washington University School of Medicine in St. Louis have discovered lymph node-like structures in the skull bone marrow of mice for the first time and demonstrated that they act as rapid first responders ...
Medical Xpress / Why do we get sleepy? How neurons control sleep drive
Why does staying awake inevitably make us sleepy? Researchers at the University of Basel, Switzerland, have identified neuronal populations in the brains of mice that become activated during prolonged wakefulness and are ...
Medical Xpress / Brain organoids survive nearly six years, mirroring later human development
A scientific team has shown that, under the right circumstances, 3D cell culture models of human brain tissue, known as organoids, can express features of later-stage brain development. This breakthrough could turn previously ...
Medical Xpress / 'Breakthrough' mRNA cancer drug curbs melanoma in large trial
US drugmakers Merck and Moderna said Wednesday a personalized cancer treatment had shown success in reducing the recurrence of melanoma tumors in a late-stage trial hailed by experts as a "breakthrough."
Medical Xpress / Heartbeats power a battery-free pacemaker designed to last a lifetime
Madison researchers have developed an implantable, battery-free pacemaker that's charged by a patient's heartbeat. The device has the potential to last an entire lifetime, reducing the risks and costs associated with replacing ...
Medical Xpress / From orbit to clinic: HIV drug enters Rett syndrome trial after space-based brain study
Research using human brain organoids onboard the International Space Station helped lead to a clinical trial of a potential therapy for Rett syndrome, a debilitating neurological disorder in children. Scientists are now expanding ...
Medical Xpress / New metric reveals how inequality can spark epidemics despite low overall risk
Influenza spreads in a crowded barracks or prison. Ebola proliferates when per capita hospital beds plummet below typical levels in developed countries. Bedside discrimination leads some patients to die and others to survive.
Medical Xpress / The science of sweating still holds surprises—including how still, dry air can hinder cooling
The purpose of perspiration was a mystery in 1775, when English physician Charles Brian Blagden and a few inquisitive friends experimented on themselves by spending time in rooms heated to more than 230°F (110°C). While the ...
