Medical Xpress news

Medical Xpress / How stress hormone receptors alter the brain and behavior: Zebrafish study provides insights

Stress, the body's natural response to different types of challenges and daily problems, is an inherently harmless state experienced by most people worldwide. While short-term stress is a common experience and can even be ...

1 hour ago in Psychology & Psychiatry
Medical Xpress / International collaboration produces detailed models of the 3D genome over time in cells

In its effort to correlate genomic structure with gene function, the 4D Nucleome Consortium (4DN), led by Job Dekker, Ph.D., at UMass Chan Medical School, has extensively mapped and analyzed the three-dimensional folding ...

1 hour ago in Genetics
Medical Xpress / Yoga accelerates opioid withdrawal recovery when combined with standard care, study finds

Opioid addiction, or opioid use disorder (OUD), is a major global health issue, and recovery from OUD is marked with high relapse rates. During withdrawal, patients experience severe symptoms, which are partly due to dysregulation ...

Jan 10, 2026 in Psychology & Psychiatry
Medical Xpress / New insight into the immune signals driving inflammation in multiple sclerosis

Multiple sclerosis (MS) is a chronic neurological disease characterized by nerve damage and consequent impairments in vision, movement, balance and mental function. In MS, the immune system mistakenly starts attacking myelin, ...

Jan 10, 2026 in Neuroscience
Medical Xpress / 'Unique' AI-powered headset can predict epilepsy seizures

A "unique" AI-powered headset that can predict epileptic seizures minutes before they occur has been developed by scientists in Scotland.

Jan 10, 2026 in Neuroscience
Medical Xpress / Most Alzheimer's cases linked to variants in a single gene

Potentially more than 90% of Alzheimer's disease cases would not occur without the contribution of a single gene (APOE), according to a new analysis led by UCL researchers.

Jan 9, 2026 in Genetics
Medical Xpress / How your brain keeps time: Consistent probability calculations help you react rapidly

Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen events unfolding within hundreds of milliseconds or over several seconds. A boxer anticipates an opponent's ...

Jan 9, 2026 in Psychology & Psychiatry
Medical Xpress / 'Motivation brake' may explain why it's so hard to get started on an unpleasant task

Most of us know the feeling: maybe it is making a difficult phone call, starting a report you fear will be criticized, or preparing a presentation that's stressful just to think about. You understand what needs to be done, ...

Jan 9, 2026 in Psychology & Psychiatry
Medical Xpress / SARS-CoV-2 is on the decline in animals, researchers find

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human animal species. This included many wild animal species as well as domestic animals such as dogs and ...

Medical Xpress / Control valve discovered in gut's plumbing system may hold answers to constipation and diarrhea

Although constipation and diarrhea may seem like opposite problems, they both hinge on the same underlying issue: how much fluid moves into the gut. These common issues affect millions of people in the U.S. each year, yet ...

Jan 9, 2026 in Medical research
Medical Xpress / Hormone estradiol shapes women's brain responses to threat after trauma, study finds

Women are more than twice as likely as men to develop stress-related conditions such as posttraumatic stress disorder (PTSD), but the biological mechanisms underlying that risk have remained poorly understood. New research ...

Jan 9, 2026 in Psychology & Psychiatry
Medical Xpress / Origin cells for common malignant brain tumor in young adults uncovered

IDH-mutant glioma, caused by abnormalities in a specific gene (IDH), is the most common malignant brain tumor among young adults under the age of 50. It is a refractory brain cancer that is difficult to treat due to its high ...

Jan 9, 2026 in Oncology & Cancer