Medical Xpress news

Medical Xpress / Researchers discover genetic ancestry is a critical component of assessing head and neck cancerous tumors

Genetic ancestry plays a key role in determining the behavior of head and neck tumors and may help explain why African-American patients survive for half as long as their counterparts of European ancestry, according to a ...

3 hours ago in Oncology & Cancer
Medical Xpress / The brain's protein cleanup process may play a role in dementia

Microglia are the brain's immune cells that clean out debris, such as damaged proteins and old cell parts, to keep the organ healthy. But the very properties that make these cells so useful might also be a driving factor ...

22 hours ago in Neuroscience
Medical Xpress / Scientific 'spam filter' flags over 250,000 potentially fake cancer studies

A new machine learning tool has identified more than 250,000 cancer research papers that may have been produced by so-called "paper mills." Developed by QUT researcher Professor Adrian Barnett, from the School of Public Health ...

16 hours ago in Oncology & Cancer
Medical Xpress / AI-supported mammography screening results in fewer aggressive and advanced breast cancers

Artificial intelligence (AI)-supported mammography identifies more cancers during screening and reduces the rate of breast cancer diagnosis by 12% in the years following, finds the first randomized controlled trial of its ...

18 hours ago in Health informatics
Medical Xpress / Metformin shown to prevent long COVID across risk groups in multiple randomized trials

Multiple randomized clinical trials and electronic health record studies now show that metformin, a widely used and well-established medication, significantly reduces the risk of developing long COVID when taken during or ...

Medical Xpress / Simple dietary change may slow liver cancer in at-risk patients

People with compromised liver function may be able to reduce their risk of liver cancer or slow its progression with a simple dietary change: eating less protein. A Rutgers-led study in Science Advances has found that low-protein ...

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 ...

19 hours ago in Biomedical technology
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 ...

20 hours ago in Neuroscience
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. ...

20 hours ago in Immunology
Medical Xpress / Faster to trials? Low-dose THC plus celecoxib improved cognition in Alzheimer's model mice

In recent years, research into cannabis and its main psychoactive ingredient, Δ⁹-tetrahydrocannabinol (THC), has unearthed medical benefits including anti-inflammatory and neuroprotective properties. However, THC is also ...

22 hours ago in Neuroscience
Medical Xpress / Experimental immunotherapy clears harmful artery cells, reducing plaque in mice

Scientists have designed an immunotherapy that reduces plaque in the arteries of mice, presenting a possible new treatment strategy against heart disease. The antibody-based therapy could complement traditional methods of ...

22 hours ago in Cardiology
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.

21 hours ago in Neuroscience