Medical Xpress news

Medical Xpress / Brain scans reveal why you can't resist a snack, even when you're full

Research from the University of East Anglia (UEA) may finally explain why we still reach for the cookie jar, even when we're full. A new study reveals that the human brain continues to respond to tempting food cues even after ...

Feb 28, 2026 in Medical research
Medical Xpress / HIV can develop resistance to blockbuster antiviral lenacapavir—but at a cost to the virus

Long-acting antiviral medications are transforming HIV prevention and care, requiring only minimalistic dosing. But as the use of lenacapavir expands, scientists are probing a critical question: If the virus evolves resistance, ...

Feb 28, 2026 in Medications
Medical Xpress / Ketamine reduces anxiety and social withdrawal in stressed adolescent mice

Ketamine is a powerful anesthetic used for surgery and acute pain management. But in recent years, it has also gained a reputation as a potential treatment for certain mental health conditions like stress and anxiety. In ...

Feb 28, 2026 in Psychology & Psychiatry
Medical Xpress / One-question screen may flag hoarding in Alzheimer's and other dementias

Researchers at the University of Colorado Anschutz have developed a simple, one-question screening tool that could help doctors quickly identify hoarding behaviors in patients with memory loss and other brain disorders. Early ...

Feb 28, 2026 in Psychology & Psychiatry
Medical Xpress / Cognitive speed training linked to lower dementia incidence up to 20 years later

Adults age 65 and older who completed five to six weeks of cognitive speed training—in this case, speed of processing training, which helps people quickly find visual information on a computer screen and handle increasingly ...

Medical Xpress / Can cold plasma improve surgery recovery? Study suggests faster healing, less fat

Cold plasma devices are increasingly used across surgical procedures, including skin rejuvenation, scar remodeling, liposuction and diabetic wounds. A recent study from Thomas Jefferson University found that using an FDA-approved ...

Feb 28, 2026 in Biomedical technology
Medical Xpress / A blood marker could predict how people respond to antidepressants

Major depressive disorder (MDD) is among the most common psychiatric disorders, affecting approximately 330 million people worldwide. This disorder is characterized by persistent feelings of sadness, hopelessness, low motivation, ...

Feb 27, 2026 in Psychology & Psychiatry
Medical Xpress / Changing the past in your imagination: Working with memories can reduce fear of failure

Certain imagery-based techniques can reduce the fear of failure that results from difficult childhood memories, according to research by scientists from SWPS University and the Nencki Institute of Experimental Biology. The ...

Feb 27, 2026 in Psychology & Psychiatry
Medical Xpress / Why a 'spring in your step' happens: Dopamine may trigger a quick burst of movement vigor

New research by engineers at the University of Colorado Boulder aims to get to the bottom of why, as the saying goes, you get a "skip in your step" when you're happy.

Feb 27, 2026 in Neuroscience
Medical Xpress / 'Sensory checkpoint' in adult brain keeps remodeling itself long after adolescence, scientists find

The dominant theory in neuroscience has been that the sensory processing circuits in our brain are finalized in early childhood and fixed afterward. A recently published study, however, overturned this widely believed theory, ...

Feb 27, 2026 in Neuroscience
Medical Xpress / New hip replacements are likely to last at least 25 years, study suggests

Modern hip replacements are nearly twice as likely as older hip replacements to last at least 25 years, suggests a study published in The Lancet. The authors of the systematic review and meta-analysis employed advanced modeling ...

Feb 27, 2026 in Surgery
Medical Xpress / Testosterone increases severity of bacterial skin infections, researchers discover

Men are more susceptible than women to skin infections caused by Staphylococcus aureus bacteria, but the biological basis for this disparity has remained unclear. A new study led by UT Southwestern Medical Center researchers ...