Medical Xpress news

Medical Xpress / Sabiá virus has been circulating in Brazil for 142 years and mutating, study finds

The Sabiá virus causes an acute hemorrhagic and neurological syndrome. Four fatal cases have been recorded in the state of São Paulo since 1990. The virus has been circulating in Brazil for about 142 years. Genomic analyses ...

May 20, 2026
Medical Xpress / Saliva could flag one of the deadliest and most baffling cancers sooner

Scientists at the Sydney Brenner Institute for Molecular Bioscience (SBIMB) at Wits University are exploring whether bacteria in saliva could offer a low-cost warning signal for esophageal squamous cell carcinoma, where late ...

May 20, 2026
Medical Xpress / Strong genetic mutation overrides female protective effects in autism, researchers discover

Autism spectrum disorder affects males far more frequently than females, with diagnoses occurring roughly four times more often in boys. Scientists have long suspected that females may possess biological protective mechanisms ...

May 20, 2026
Medical Xpress / Cracking the code of p53 fragility: Why the genome guardian is prone to failure

The protein p53 is often called the guardian of the genome for its central role in preventing cancer. Yet paradoxically, it is also one of the most frequently mutated and dysfunctional proteins in human tumors.

May 20, 2026
Medical Xpress / Cytokine-armored CAR-T cell therapy helps eliminate aggressive brain tumors in preclinical study

Scientists at the UCLA Health Jonsson Comprehensive Cancer Center have developed a new cytokine-armored CAR-T cell therapy that helps the immune system better attack aggressive brain tumors in mice while reducing dangerous ...

May 20, 2026
Medical Xpress / How schizophrenia risk may begin: Gene changes reshape signaling in developing neurons

Researchers at King's College London have identified the biological nature and timing of changes in human cortical neurons caused by altering activity of a schizophrenia-associated gene in developing human neurons. This discovery ...

May 20, 2026
Medical Xpress / New technique discovers previously unknown population of immune cells in the Alzheimer's brain

A newly developed microscopy technique allows, for the first time, the visualization of more than 30 protein markers simultaneously in the human brain and uses bioinformatics to analyze their spatial relationships. In the ...

May 20, 2026
Medical Xpress / Human health appears unaffected by living near wind turbines

High-resolution data collected across the United States show negligible evidence of adverse health outcomes tied to wind turbine exposure, a study finds. Despite helping to reduce greenhouse gas emissions, wind turbine installations ...

May 20, 2026
Medical Xpress / One in four doctors believe human preservation and future revival could work, but not without challenges

A new survey of U.S. physicians focuses on human preservation procedures and the feasibility of future revival. Ariel Zeleznikow-Johnston of Monash University, Australia, and colleagues present their findings in the study, ...

May 20, 2026
Medical Xpress / How medical education can revive the physician–scientist pipeline

The physician–scientist has long occupied a unique place in medicine—bridging the laboratory and the clinic, translating scientific discoveries into innovative patient care. But that role is becoming increasingly rare. The ...

May 20, 2026
Medical Xpress / How dead tumor cells could make chemotherapy and radiotherapy work better

As tumors outgrow their blood and nutrient supplies, or respond to treatments like chemotherapy and radiotherapy, individual cancer cells die, exposing their internal scaffolds. These dead cells are an abundant source of ...

May 20, 2026
Medical Xpress / Modern medicine cut gut microbial diversity in remote Amazonian communities after just a few visits, study shows

Even minimal exposure to modern medicine can rapidly change the human microbiome. In a new study appearing in Cell Reports, researchers reveal that the gut microbes of remote Amazonian Indigenous communities have begun shifting ...

May 20, 2026