Medical Xpress news

Medical Xpress / Depression treatment is shifting, and this mushroom-derived compound is driving one of psychiatry's biggest new tests

Depression is a debilitating mental health disorder that is estimated to affect approximately 5% of people worldwide. It is characterized by persistent feelings of sadness and hopelessness, a lack of interest in everyday ...

7 hours ago
Medical Xpress / Scientists transform wool into bone repair material

Scientists have shown how wool could offer an effective and sustainable alternative to materials currently used to repair damaged bone. In the new study, keratin—a natural structural protein derived from wool—was shown to ...

5 hours ago
Medical Xpress / After assault, OCD risk rises fastest in first year, pointing to a critical care window

Obsessive compulsive disorder (OCD) is a mental health condition characterized by recurring intrusive thoughts (i.e., obsessions) and repetitive behaviors (i.e., compulsions) aimed at reducing anxiety. This disorder is estimated ...

11 hours ago
Medical Xpress / HIV disrupts lung 'clock,' raising COPD and emphysema risk

People living with HIV face a greater risk of developing lung diseases at a much younger age, even if they have never smoked. FIU researchers have now uncovered a previously unknown mechanism that helps explain how HIV causes ...

8 hours ago
Medical Xpress / Microplastics in human liver could be fueling global surge in disease

There is considerable evidence that microplastics and nanoplastics are present in the livers of humans, and wild animal populations on land and in the ocean. Now experts in environmental and human health are investigating ...

12 hours ago
Medical Xpress / How a chemical reaction triggers brain inflammation in Alzheimer's disease

The brain has its own immune system, which detects threats and mounts a defense. A growing body of evidence has shown that in Alzheimer's disease, those immune cells are chronically overactivated, causing inflammation that ...

17 hours ago
Medical Xpress / Daylight Savings Time does not affect people's total daily step counts, but does affect when they walk

Every spring and fall, a furious debate ignites across the country: Should we do away with Daylight Savings Time? Beyond anecdotes of preferences among various professions and household situations, the debate raises real ...

9 hours ago
Medical Xpress / Hidden in hair follicles, immune 'sentinel' cells may help skin detect microbes

Researchers at the School of Medicine at the University of California, Riverside have discovered previously unrecognized immune surveillance structures in the skin. Found within hair follicles, the cells resemble M (microfold) ...

18 hours ago
Medical Xpress / WHO approves first malaria treatment for infants

The World Health Organization announced Friday that it had given prequalification approval to a malaria treatment for newborns and infants for the first time.

18 hours ago
Medical Xpress / Mechanical forces from the beating heart may help prevent cancer cell growth

Scientists may have discovered another way the human body tries to protect itself from cancer. New research on mice suggests that the heart's constant beating may prevent tumor growth in cardiac tissue. Most organs are vulnerable ...

Apr 24, 2026
Medical Xpress / Targeting lost pleasure lifts depression and anxiety more than standard therapy, new study finds

Most people know depression as a disorder of sadness. But for millions of patients, the most debilitating feature is something else entirely: the reduced ability or inability to feel positive emotions.

Apr 24, 2026
Medical Xpress / Protein's second role in inflammation could reshape treatment for Crohn's, arthritis and heart disease

A protein long understood to drive inflammation by producing nitric oxide has a second, previously unknown role—it physically binds to another key protein inside cells to directly modulate the immune response. The discovery, ...

Apr 24, 2026