Medical Xpress news

Medical Xpress / Severe flooding linked to increased deaths from opioid use in rural Appalachia

Severe flooding may contribute to higher mortality rates from opioid use in rural Appalachia, according to a study by researchers at Penn State. The findings—published in the Proceedings of the National Academy of Sciences—are ...

Jul 20, 2026
Medical Xpress / Building a blueprint to manipulate the immune system

Why do some vaccines protect for a lifetime, while threats like tumors and viruses present such an ongoing challenge? The answer lies in the immune system's memory and how invading pathogens hack the system.

Jul 20, 2026
Medical Xpress / Crystal-clear images reveal how pregnancy antibodies cause harm in babies

Using advanced electron microscopy, researchers in Leiden have captured detailed images showing how, in the rare pregnancy disorder FNAIT, antibodies produced by the mother can cause bleeding in fetuses. The findings, published ...

Jul 20, 2026
Medical Xpress / Single-cell atlases of the human body may not fairly represent global populations as AI use grows

The single-cell "atlases" that are increasingly used to map the human body and as training data for artificial intelligence models may not represent the world's populations fairly, according to a study led by researchers ...

Jul 20, 2026
Medical Xpress / Newly identified MRI biomarkers reveal physical brain changes from cognitive training, study finds

A new neuroimaging study published in the journal Brain Imaging and Behavior provides some of the first evidence that strengthening your brain health through daily habits rewires its physical architecture.

Jul 20, 2026
Medical Xpress / Long non-coding RNA emerges as a 'kill switch' for macrophages

Macrophages are considered the "scavenger cells" of the immune system, but some pathogens exploit these very cells as hiding places. Researchers from the Helmholtz Institute for RNA-based Infection Research (HIRI) in Würzburg ...

Jul 20, 2026
Medical Xpress / Study reveals why key antiviral defenses failed in some severe COVID-19 patients

Although the COVID-19 pandemic has largely subsided, scientists continue to investigate why the virus proved so deadly, causing at least 3 million deaths worldwide, according to the latest estimates by the World Health Organization ...

Jul 20, 2026
Medical Xpress / Flexible clocks can sync up or drift apart across brain regions in mice

A study in mice suggests the brain does not rely on a single internal clock but can flexibly switch between shared and independent timing across regions, as reported by researchers from Science Tokyo. By recording thousands ...

Jul 20, 2026
Medical Xpress / When it comes to brain health, is microbiome science missing much of the world?

For more than two decades, scientists have uncovered remarkable links between the trillions of microbes living in our gut and the health of our brains. This research has transformed our understanding of stress, depression, ...

Jul 20, 2026
Medical Xpress / Around the world, road injuries remain a leading, preventable cause of death among young people

In 2023, nearly 51 million people were injured and 1.34 million died from road injuries, making road injuries one of the leading global causes of premature death and disability, according to a new study published in The Lancet ...

Jul 20, 2026
Medical Xpress / More than half of US adults now eligible for statins under new guidelines, study finds

More than half of U.S. adults ages 30 to 79—about 87.5 million people—are now recommended for statins to prevent cardiovascular disease under newly updated clinical guidelines, according to a study by University of Pittsburgh ...

Jul 20, 2026
Medical Xpress / Collagen peptides support bone health for female runners

Collagen is a protein found in skin, hair, nails, tendons, cartilage and bones. Our bodies naturally produce collagen using the foods we eat. But in recent years, collagen peptides have gained popularity as a supplement to ...

Jul 20, 2026