Medical Xpress news

A quarter of the global population is estimated to have been infected with Mycobacterium tuberculosis, yet only 5%–10% of those infected go on to develop active tuberculosis (TB). "The big question has always been what distinguishes ...

A study on COVID-19 vaccine effectiveness has finally been published after being blocked from a government health journal.

In humans and other mammals, spinal cord injuries can be devastating, leading to permanent loss of movement, sensation and bladder control. When severed axons (the long fibers that carry messages between nerve cells) cannot ...

For decades, researchers have been trying to understand the biological roots of autism spectrum disorder (ASD), a common neurodevelopmental condition that shapes how people communicate, learn and interact with the world. ...

For many people with asthma, air-quality advisories are harbingers of worsening symptoms. But for reasons science has struggled to explain, the extent to which pollution exacerbates asthma varies widely from person to person.

Researchers have identified a critical biological difference in how glioblastoma develops in male and female laboratory models, pinpointing an immune pathway that fuels tumor growth only in females. The study shows that the ...

In the ongoing effort to find new therapeutics for infants born infected with the human immunodeficiency virus, an international team of investigators has discovered that babies can tolerate treatment with anti-HIV antibodies.

Researchers from The Hospital for Sick Children (SickKids) in Toronto have found a previously unknown genetic cause of Crohn's disease and uncovered how those changes trigger inflammation through a key immune pathway. The ...

There is a lack of evidence to suggest the majority of in vitro fertilization (IVF) add-ons improve fertility in patients undergoing IVF, according to a systematic review and meta-analysis published in The Lancet Obstetrics, ...

Declining placental concentrations of a molecule that plays a key role in metabolism appear to trigger the end of pregnancy and hasten labor and delivery, suggesting a study co-led by researchers at UT Southwestern Medical ...

Triple-negative breast cancer (TNBC) is aggressive and hard to treat. But the role of fat tissue in how the cancer spreads may help point toward new understanding and treatments, according to a new paper from scientists at ...

Two new studies jointly published in Nature Communications reveal that certain species of fungi in the gut play a key role in the development of immune dysregulation and some pediatric allergic diseases—and may be promising ...