Medical Xpress news

Medical Xpress / Brain blood flow responds differently to pain and touch, mouse study finds

When the brain is stimulated, blood flow increases. For 30 years, functional magnetic resonance imaging (fMRI), one of the most powerful windows into the human brain, has operated on the basis of this connection. fMRI doesn't ...

Sep 1, 2026
Medical Xpress / Atlas of the brain's striatum could guide researchers to new drug treatments

A region of the brain called the striatum is critical for many cognitive and motor functions, including decision-making, movement control, habit formation and reward processing. It also plays a role in addiction and is significantly ...

Sep 1, 2026
Medical Xpress / Severe asthma remains active in most despite widespread biologic treatment

Severe asthma affects around 5%–10% of all people with asthma and can involve recurrent exacerbations, impaired lung function and the need for corticosteroid treatment. In recent years, biologic therapies have improved treatment ...

Sep 1, 2026
Medical Xpress / How the brain decides where to insulate its own wiring

In the complex circuitry of the brain, a fatty substance known as myelin plays a vital role in insulating neural wiring. It coats billions of axons in the brain and makes up about one-fifth of the organ in humans.

Sep 1, 2026
Medical Xpress / New screening platform links molecule clusters to neurodevelopmental disorders

When drops of oil are added to water, the oil and water remain separate. Within cells, biological molecules cluster together in a similar way, separating themselves from the rest of the cell. And while they don't have a membrane, ...

Sep 1, 2026
Medical Xpress / Imaging technique reveals the metabolic states of individual immune cells

When a patient is facing certain cancers or an immune condition, clinicians turn to white blood cells for clues about the progression of both diseases and their treatments. From a standard blood draw, a clinical lab isolates ...

Sep 1, 2026
Medical Xpress / Bacterial protein fragment drives tissue fibrosis, but antibody treatment can help

A bacterial protein fragment called corisin drives pulmonary fibrosis by infiltrating and disrupting cells' quality-control systems, researchers at the University of Illinois Urbana-Champaign and Mie University in Japan found ...

Sep 1, 2026
Medical Xpress / Gut bacterium and its metabolite found to delay aging

A new study published in Nature Aging on Aug. 25 reports that a single gut bacterium—Bifidobacterium pseudocatenulatum (BP)—together with a small molecule it produces, 5-aminovaleric acid betaine (5-AVAB), can alleviate multiple ...

Sep 1, 2026
Medical Xpress / Clinical aging clocks uncover different metabolic turning points for men and women

Aging varies markedly among individuals and between sexes, yet the timing of major physiological transitions and the factors driving these changes have not been well understood.

Sep 1, 2026
Medical Xpress / Antifungal therapy shows potential for IBD patients with Candida overgrowth

A commonly used systemic antifungal medication may help reduce symptoms in a subset of patients with inflammatory bowel disease (IBD) by restoring a healthier gut microbiome, according to a preliminary study by Weill Cornell ...

Sep 1, 2026
Medical Xpress / Stay sharp after menopause: How aerobic exercise can improve key thinking skills

Regular aerobic exercise—the kind that gets your heart pumping—can improve important thinking skills called executive functions, and the benefits appear especially strong for women after menopause, according to Rutgers researchers.

Sep 1, 2026
Medical Xpress / Magnesium may guard vision, but timing and concentration narrow the therapeutic window

Retinal ganglion cells, known as RGCs, are the retina's final link to the brain. They collect processed visual information, and their axons form the optic nerve. When these cells die, the lost connection cannot easily be ...

Sep 1, 2026