Medical Xpress news

Medical Xpress / Bat coronavirus reveals a new way into human cells, widening the map of future spillover risks

An international team of researchers has identified an East African bat coronavirus capable of entering human cells. While the virus—Cardioderma cor coronavirus (CcCoV) KY43, or CcCoV-KY43—can bind to a cell receptor found ...

Apr 22, 2026
Medical Xpress / ADHD treatment despite a history of psychosis: Research finds no increased risk of relapse

People with a history of psychosis often also have attention-deficit/hyperactivity disorder (ADHD). However, treating this condition presents doctors with a clinical dilemma: Psychostimulants are considered effective for ...

Apr 22, 2026
Medical Xpress / E. coli and 'good' bacteria are balanced by breast milk in baby gut microbiomes

Sugars contained exclusively in breast milk are helping to feed an important balance of bacteria in babies' developing gut microbiomes, a new study has found. In a paper published in Nature Communications, a European research ...

Apr 22, 2026
Medical Xpress / Tourette's tics are not just motor misfires—an emotion-linked brain circuit may open a new treatment frontier

While tics have been considered to result from an aberrant function of the brain's motor cortex, a Kobe University mouse study has now discovered a connection to the brain's emotional functions. The result promises a new ...

Apr 22, 2026
Medical Xpress / Low-dose triple-pill cuts risk of recurrent stroke by about 40%, global trial shows

Treatment with GMRx2, a single pill combination of three low-dose blood pressure medicines, significantly reduced the risk of another stroke in patients with intracerebral hemorrhage and high blood pressure. Results from ...

Apr 22, 2026
Medical Xpress / Microfluidic chip reveals how living glioblastoma slices resist chemotherapy

Combining microchip engineering techniques with cutting-edge gene profiling, scientists at Columbia University have developed a new way to study drug responses in living slices of human brain tumor cells. The system, using ...

Apr 22, 2026
Medical Xpress / A hidden DNA region helps drive frailty, exposing brain and immune links that reshape aging risk

Researchers at McMaster University have identified, for the first time, a novel region of DNA and two associated genes connected to frailty, offering neurological and immune-related insights that might help explain why some ...

Apr 22, 2026
Medical Xpress / New clues to hepatitis B species restriction could help build a novel model for studying infection

Some 254 million people live with a chronic hepatitis B (HBV) infection that is often asymptomatic for decades, only to emerge in an advanced stage of disease that turns to fatal cirrhosis or liver cancer in nearly a million ...

Apr 22, 2026
Medical Xpress / Fixed or flexible? Study shows vision-related neurons can rapidly switch codes

For many years, a dominant view in neuroscience was that neurons in the inferotemporal (IT) cortex—a critical center in the brain for the recognition of objects—represent the world through fixed tuning functions. Doris Tsao ...

Apr 22, 2026
Medical Xpress / COVID antiviral speeds recovery but doesn't reduce hospitalization in vaccinated patients, trials find

Paxlovid (nirmatrelvir-ritonavir) does not reduce hospital admissions or deaths in vaccinated adults at higher risk of severe COVID-19, despite helping them recover faster, according to results from two national trials published ...

Apr 22, 2026
Medical Xpress / New tool can see how different brain cell types work together

When probes are inserted into the brain for research or clinical purposes, the electrical activity of neurons is recorded. These signals can be used to understand how the brain performs certain computations or even to identify ...

Apr 22, 2026
Medical Xpress / How an anti-inflammatory drug helps the heart after a heart attack

Every day, thousands of people worldwide suffer a heart attack, often leading to lasting damage to the heart muscle. Recent research from the University of Oslo suggests that targeting inflammation in the body helps protect ...

Apr 22, 2026