Medical Xpress news

Medical Xpress / Small dose of antibiotic yields good results in treating panic attacks

A study shows that small doses of the antibiotic minocycline may help treat panic disorder. Experiments conducted at São Paulo State University (UNESP) in mice and at the Federal University of Rio de Janeiro (UFRJ) in humans ...

Apr 30, 2026
Medical Xpress / Diabetes flips immune cells from repair to inflammation in peripheral artery disease, study finds

Type 2 diabetes can turn immune cells that help with tissue repair and anti-inflammatory responses into triggers of chronic inflammation. A recent study investigated why people with type 2 diabetes are at a higher risk of ...

Apr 30, 2026
Medical Xpress / Why this CAR T advance matters: Complete remissions without chemotherapy at doses as low as 250,000 cells/kg

Stem-cell memory T (TSCM) cells are a rare subset of immune cells with the ability to self-renew, persist long term, and mount potent anti-tumor responses. These properties make them an attractive candidate for next-generation ...

Apr 30, 2026
Medical Xpress / An endurance limit that surfaces in punishing races may begin at birth

A new study is raising questions about whether human endurance has biological limits shaped long before adulthood—possibly beginning at birth. Researchers are examining whether birth weight, a known risk factor for disease ...

Apr 30, 2026
Medical Xpress / Brazilian tree compounds block SARS-CoV-2 at multiple stages, lab tests show

A study has revealed that galloylquinic acids extracted from the leaves of Copaifera lucens Dwyer, a tree endemic to Brazil primarily found in the Atlantic Forest, have a multi-targeted effect against SARS-CoV-2, the virus ...

Apr 30, 2026
Medical Xpress / AI surpasses physicians on clinical reasoning tasks, raising the bar for more serious testing

In one of the largest studies to compare artificial intelligence and physicians on a wide array of clinical reasoning tasks including real emergency department data, a team of physicians and computer scientists at Harvard ...

Apr 30, 2026
Medical Xpress / T cells secrete DNA to boost the immune system's cancer-fighting ability

Activated immune cells secrete tiny capsules bearing DNA that can enter other immune and tumor cells to stimulate the body's defense systems, according to a study led by investigators at Weill Cornell Medicine. The discovery ...

Apr 30, 2026
Medical Xpress / Genetic discovery may explain why pancreatic cancer is so difficult to treat

Pancreatic cancer can remain quiet for years, developing undetected before causing symptoms that lead to a diagnosis. Even after a surgeon removes a pancreas tumor, other cells often hide and erupt later. But University of ...

Apr 30, 2026
Medical Xpress / Restoring protein recycling helps exhausted T cells fight tumors again

T cells are crucial components of our immune system, serving as critical protectors against infection and disease. But there are limits to their defensive capabilities. T cells are not inexhaustible protectors. Often, when ...

Apr 30, 2026
Medical Xpress / No live animal testing needed: Lab-grown airway organoids reveal viral infection in wildlife species

Experimental infections, where a pathogen is introduced into the host body to see its effects in action, are considered the gold standard for assessing how vulnerable a host is, offering clear insights into how a pathogen ...

Apr 30, 2026
Medical Xpress / For 30 years, doctors chased the wrong immune culprit behind this rare inflammatory disease

Researchers at the Garvan Institute of Medical Research have uncovered a critical mechanism driving inflammation in mevalonate kinase deficiency (MKD), a rare but devastating autoinflammatory disorder. The study, published ...

Apr 30, 2026
Medical Xpress / Host genetics and sex can steer flu toward greater virulence, mouse experiments reveal

During the early stages of a pandemic, viruses tend to evolve in ways that enhance their ability to reproduce and spread, rather than to evade the host's immune system. The genetics and sex of the host influence how a novel ...

Apr 30, 2026