Medical Xpress news

Medical Xpress / Rare TBX4 mutations reveal excess lung muscle behind childhood pulmonary hypertension

For families of children with rare diseases, the search for answers can be lonely, desperate and frustrating. Such is the case with pulmonary hypertension, or PH. Defined as high blood pressure in the lungs, PH forces the ...

Jul 28, 2026
Medical Xpress / Targeted school closures can improve pandemic response

New research led by UMC Utrecht shows that school closures during a pandemic outbreak are most effective when carefully targeted. The study, published in Nature Communications, demonstrates that the right strategy depends ...

Jul 28, 2026
Medical Xpress / A lipid regulator of Sonic Hedgehog signaling may shape heart and lung development

St. Jude Children's Research Hospital scientists have uncovered a regulatory mechanism for signaling of Sonic Hedgehog (SHH), a pathway essential for embryonic development. The findings, published in Nature Communications, ...

Jul 28, 2026
Medical Xpress / Scientists decipher how T cells sense enemies—such as cancer—at point of contact

Every encounter between a T cell and a potential target—especially when that target is a developing tumor—begins with a rapid series of molecular decisions. Within seconds, the immune cell must determine whether to launch ...

Jul 27, 2026
Medical Xpress / Stockpiled Ebola vaccines trigger antibody response against Bundibugyo virus in lab tests

A highly contagious Ebola virus species, Bundibugyo virus (BDBV), has driven several outbreaks since 2007, including the ongoing outbreak in the Democratic Republic of Congo and Uganda in 2026. Bundibugyo virus causes severe ...

Jul 27, 2026
Medical Xpress / Silver diamine fluoride treatment could halt cavities without shots, drilling or sedation

Every year, untreated tooth decay sends thousands of young U.S. children to emergency departments for dental problems doctors can't treat. Many eventually undergo surgery under general anesthesia, while others endure pain ...

Jul 27, 2026
Medical Xpress / Engineered gut bacteria show promise against pancreatic cancer

Cancer immunotherapies have transformed treatment for many cancers, but pancreatic cancer remains especially difficult to treat. One major reason is that pancreatic tumors often create a "cold" tumor microenvironment, where ...

Jul 27, 2026
Medical Xpress / Human brainpower may get boost from immune cells that mature slowly

Microglia are the most common immune cells in the brain, where they defend against intruders and engulf damaged neurons. Now, scientists at Columbia's Zuckerman Institute have discovered for the first time that, just like ...

Jul 27, 2026
Medical Xpress / Will dietary fiber help digestion? It might depend on your gut bacteria

Doctors recommend dietary fiber for healthy digestion, but to benefit from it, people not only need specific species of gut bacteria but also the right strains of those bacteria to process the starches, according to a new ...

Jul 27, 2026
Medical Xpress / The stomach helps the brain form memories—this is how it may work

When French writer Marcel Proust famously recalled his childhood from the taste of a Madeleine cookie, his stomach may have done some of the work. We generally associate our memories almost exclusively with the brain, which ...

Jul 27, 2026
Medical Xpress / Omalizumab allows children with multiple food allergies eat trigger foods safely

About a third of children with multiple food allergies gained the ability to safely eat full servings of foods that trigger their allergies in a new Stanford Medicine-led clinical trial. The results were published in JAMA ...

Jul 27, 2026
Medical Xpress / Two neural pathways reveal why habits form and vary in intensity

Habit formation describes the repeated performance of a behavior until it becomes routine: in other words, the shift from deliberate to automatic decision-making. This concept is often invoked as a way to improve one's life ...

Jul 27, 2026