Medical Xpress news

Medical Xpress / Why breast cancer becomes more deadly with age

Researchers at Georgetown's Lombardi Comprehensive Cancer Center have identified a mechanism that may help explain a key reason why older people experience worse outcomes from breast cancer. The study implicates RAGE (Receptor ...

May 15, 2026
Medical Xpress / Heat-treated probiotic may protect sperm from BPA-linked damage, rat study suggests

Bisphenol A (BPA) is widely used in the production of plastic materials. However, there have recently been concerns about its toxicity in humans, leading to the European Union banning its use in food containers.

May 15, 2026
Medical Xpress / Neuronal hyperactivity triggers severe autoimmune brain disorder, researchers discover

In a condition known as "IgLON5 encephalitis," the immune system mistakenly attacks cells in the brain. This leads to brain inflammation and neuronal damage, which can manifest as sleep disturbances, cognitive impairment, ...

May 15, 2026
Medical Xpress / New reporting system aims to ensure accuracy and rigor of mouse models after widespread mismatches

Backed by new research findings, researchers at the UNC School of Medicine have developed a new reporting system that will allow researchers across the United States to confirm the genetic accuracy of their mouse models.

May 15, 2026
Medical Xpress / MYH9 gene may help explain heart artery plaques more often seen in women

Researchers at UCLA Health have identified a key gene that may help explain why women are more likely than men to develop a certain type of artery plaque linked to heart disease.

May 15, 2026
Medical Xpress / Is 'yo‑yo dieting' really harmful? New analysis challenges longstanding assumptions about weight cycling

Weight loss followed by weight regain, commonly known as "yo-yo dieting" or weight cycling, is often portrayed as harmful, even more damaging than remaining overweight. But a new comprehensive analysis published in The Lancet ...

May 15, 2026
Medical Xpress / Study reveals promising new therapy for non-Hodgkin lymphoma

Not all cancers respond to the same treatments or have the same genetic origins. Epstein–Barr virus (EBV), a common and highly contagious virus, has been found to cause certain cancers, including non-Hodgkin lymphoma (NHL). ...

May 15, 2026
Medical Xpress / What do Argentine scientists know about hantavirus so far?

The Andes strain of hantavirus typically circulates via rodents, but human-to-human transmission such as the outbreak aboard the MV Hondius is not impossible either.

May 15, 2026
Medical Xpress / Improving the treatment of Lassa fever: First clinical trial with favipiravir shows promising results

The infectious disease Lassa fever can be fatal, and there is a lack of treatment options with proven efficacy. Researchers at the Bernhard Nocht Institute for Tropical Medicine (BNITM) and the University Medical Center Hamburg-Eppendorf ...

May 15, 2026
Medical Xpress / Exploiting tuberculosis 'superspreading niches' to curb transmission

Superspreading became a familiar concept to many during the COVID-19 pandemic. Prior studies examining infectious disease epidemics, including those on COVID-19, have found that some individuals are much more likely to transmit ...

May 15, 2026
Medical Xpress / Azithromycin exposure during pregnancy not tied to neurodevelopmental disorders, study finds

Azithromycin exposure in pregnancy was not associated with neurodevelopmental disorders in offspring, according to a retrospective cohort study, and use in late pregnancy was linked with some lower risks.

May 15, 2026
Medical Xpress / How the brain switches between older and newer memories

As humans and other animals experience new things, their brains continuously update their memory of past events. These updates allow them to adapt to changing environments, all while preserving older memories that could still ...

May 14, 2026