Medical Xpress news

Medical Xpress / Study pinpoints rare graft neurons that reconnect spinal walking circuits after injury

A rare group of neurons can reconnect broken spinal circuits and trigger leg muscle activity after spinal cord injury—a discovery that could help refine future stem-cell therapies for paralysis. The findings, published in ...

Mar 30, 2026
Medical Xpress / Craving in addiction may alter how the brain makes decisions

For people with an addiction, craving—the strong desire for a substance—can affect their decision-making, new research shows. And how craving affects a decision can depend on what's at stake. The finding, published in Nature ...

Mar 30, 2026
Medical Xpress / Mutation map reveals how amylin mutations influence type 2 diabetes

Researchers at the Institute for Bioengineering of Catalonia (IBEC) have produced a mutational map showing how mutations in amylin—a hormone that plays a key role in glucose regulation—affect its tendency to form toxic amyloid ...

Mar 30, 2026
Medical Xpress / Why feeling alone may matter more than being alone

Loneliness is often described as a simple absence—of people, of connection, of companionship. But two new studies suggest it may be something more complex, and more consequential: not just how socially connected people are, ...

Mar 30, 2026
Medical Xpress / Light impacts how the brain perceives and remembers threats, study suggests

Northwestern Medicine scientists have discovered that light plays a key role in how animals perceive environmental threats, findings that have the potential to improve the understanding of risk avoidance behaviors and related ...

Mar 30, 2026
Medical Xpress / A new lens on autism's sex bias: How X chromosome 'escape' genes could shape risk

Autism has a significant and enduring sex bias, with roughly four boys diagnosed for every girl. For many years, experts have believed this disparity arises primarily from diagnostic inequities because much of autism research—and ...

Mar 30, 2026
Medical Xpress / Discovery of noma-linked bacteria opens path to early diagnosis and prevention

Researchers at Liverpool School of Tropical Medicine (LSTM) have identified a bacterium strongly associated with noma disease, marking a major step toward earlier diagnosis and more effective treatment. In a new study published ...

Mar 30, 2026
Medical Xpress / 20,000 lab-grown human retinas reveal how cone photoreceptor cells resist degeneration

Scientists led by Botond Roska at the Institute of Molecular and Clinical Ophthalmology Basel (IOB) and collaborators have identified genetic pathways and compounds capable of protecting cone photoreceptors from the degeneration ...

Mar 30, 2026
Medical Xpress / Newly discovered recessive neurodevelopmental disorder may be most prevalent ever

Researchers at the Icahn School of Medicine at Mount Sinai in New York have identified and described a previously unknown recessive neurodevelopmental disorder (NDD) that appears to be the most prevalent ever discovered. ...

Mar 30, 2026
Medical Xpress / A long-term and scalable system to record from neural organoids

Neural organoids have been heralded as having huge potential for advancing our knowledge of the brain in several fields. These include exploring the responses of brain tissue to drugs, investigating the effect of specific ...

Mar 30, 2026
Medical Xpress / Shedding light on the brain: New method controls neural pathway communication

Understanding how the brain works requires more than studying single regions in isolation. The cerebral cortex depends on long-distance connections that link specialized areas into coordinated networks. But scientists have ...

Mar 30, 2026
Medical Xpress / For severe babesiosis, red blood cell exchange is associated with markedly improved outcomes

A new study led by investigators from Mass General Brigham and Yale School of Public Health reveals that red blood cell exchange transfusion (ET) may provide critical benefits for patients hospitalized with severe babesiosis. ...

Mar 30, 2026