Medical Xpress news

Medical Xpress / Brain 'hazmat' protein cleans up tau: Could it prevent dementia?

Researchers at UC San Francisco have identified a hazardous waste collector in the brain that disposes of the toxic clumps of tau protein that can lead to dementia. Neurons with more of this garbage collector, technically ...

Jan 29, 2026 in Neuroscience
Medical Xpress / Bioelectronic wristband offers continuous, objective, real-time stress monitoring

Researchers at the University of California, Irvine have developed a multimodal, bioelectronic wrist-worn device for objective, continuous, real-time monitoring of stress. The Smart Quantitative and Comprehensive Stress Assessor ...

Jan 29, 2026 in Biomedical technology
Medical Xpress / Big data make hidden genetic drivers of type 2 diabetes visible

Numerous genetic studies have identified many risk variants for type 2 diabetes (T2D)—but which genes and proteins are actually involved in the disease mechanisms? An international team led by Helmholtz Munich has now used ...

Jan 29, 2026 in Genetics
Medical Xpress / How the brain's 'memory replay' goes wrong in Alzheimer's disease

Memory dysfunction in Alzheimer's disease may be linked to impairment in how the brain replays our recent experiences while we are resting, according to a new study in mice by University College London (UCL) scientists. The ...

Medical Xpress / Hippocampus does more than store memories: It predicts rewards, study finds

A preclinical study published in Nature has found evidence that the hippocampus, the brain region that stores memory, also reorganizes memories to anticipate future outcomes.

Jan 29, 2026 in Neuroscience
Medical Xpress / Fruit fly 'Fox' neurons show how brains assign value to food

Why do we sometimes keep eating even when we're full and other times turn down food completely? Why do we crave salty things at certain times, and sweets at other times? The answers, according to new neuroscience research ...

Jan 29, 2026 in Neuroscience
Medical Xpress / Discovery shines light on a cascade of events that occurs when toxic tau impacts synapses

A holistic inquiry into how toxic tau impacts synapses provides a new take on the processes that lead to neuronal dysfunction and memory loss in Alzheimer's disease. A tool, developed in the Tracy lab, enables researchers ...

Jan 29, 2026 in Neuroscience
Medical Xpress / Vaping zebrafish suggest e-cigarette exposure disrupts gut microbial networks and neurobehavior

Electronic cigarettes (e-cigarettes), widely marketed as a safer alternative to traditional cigarettes, are now hooking younger generations. World Health Organization data from 2025 show that at least 15 million adolescents ...

Jan 29, 2026 in Neuroscience
Medical Xpress / One in 1,000 dies: Framing matters for communicating medical numbers, experts say

Similar—yet not the same: Many studies show that patients often struggle to interpret numerical information in medical contexts, especially probabilities related to recovery and side effects. In a recently published Letter ...

Jan 29, 2026 in Health
Medical Xpress / Beyond the active site: A new way to regulate immune enzyme TREX1

The immune system must maintain a delicate balance to defend against harmful threats while avoiding excessive inflammation. When this balance is disrupted, immune responses can contribute to autoimmune diseases and cancer. ...

Jan 29, 2026 in Immunology
Medical Xpress / Sex differences in brain growth emerge in the womb, study finds

Cambridge researchers have revealed a detailed picture of how the human brain grows from mid-pregnancy through the first weeks after birth and identified that sex differences in brain growth are apparent from mid-pregnancy ...

Jan 29, 2026 in Neuroscience
Medical Xpress / Rethinking ultrasound gel: A natural solid pad for clearer, more comfortable imaging

Ultrasonography is a noninvasive imaging technique used for real-time imaging. This versatile technique is used as a reliable diagnostic tool in various modalities. The conventional liquid gel used in ultrasonography is a ...

Jan 29, 2026 in Radiology & Imaging