Medical Xpress news

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 / 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 / Brain wiring model could shorten path to new medicines

A new, more life-like physical model of microscopic nerve fibers called axons could speed up the discovery of medicines for multiple sclerosis and other degenerative brain diseases, suggests a new study led by UCL researchers. ...

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 / 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 / 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 / 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 / Autism risk genes are shared across ancestries, research reveals

A new study, co-led by researchers at the Icahn School of Medicine at Mount Sinai and published March 30 in Nature Medicine, demonstrates that genes associated with autism risk are largely the same across people of different ...

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
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 / Bile acid and steroid signatures tied to extreme longevity

Centenarians often live to 100+ due to a combination of protective genetic factors, which account for up to 50%, and healthy lifestyles, such as plant-forward diets, regular, natural movement and strong social connections. ...

Mar 30, 2026
Medical Xpress / DASH diet grocery program delivers blood pressure and cholesterol benefits

Black adults with high blood pressure who received dietitian counseling and home deliveries of groceries aligned with the DASH diet—meaning high in fruits, vegetables, whole grains, low-fat dairy, nuts, seeds, legumes and ...

Mar 30, 2026