Medical Xpress news
Medical Xpress / Serotonin spikes may worsen tinnitus by directly activating the brain's auditory circuit
The same neurotransmitter commonly leveraged to relieve symptoms of depression and anxiety also may exacerbate a vexing condition known as tinnitus, according to new research published in the Proceedings of the National Academy ...
Medical Xpress / Scientists map how HIV hijacks human cells—and how cells can fight back
The human immunodeficiency virus (HIV), which is the cause of AIDS, is a master of deception, using just nine genes to hijack the complex cellular machinery of the human body. Yet, even after decades of research on how the ...
Medical Xpress / Why some brains with Alzheimer's stay sharp
Researchers at the University of California San Diego have uncovered new insights into one of Alzheimer's disease's most puzzling questions: why some older adults remain mentally sharp despite having hallmark brain changes ...
Medical Xpress / Naturally occurring molecule can stop Alzheimer's-linked fibrils from forming
Protein droplets serve important biological functions within cells, but in neurodegenerative diseases like Alzheimer's, these liquid-like droplets can form solid-like clumps known as fibrils. This disrupts the droplets' normal ...
Medical Xpress / Physicists refute famous 2025 study claiming daylight saving time poses severe health risks
In 2025, Lara Weed and Jamie M. Zeitzer of Stanford University published an article linking the practice of seasonal time changes (Daylight Saving Time) to negative health outcomes, ranging from acute symptoms (heart attacks ...
Medical Xpress / Scientists crack an 'undruggable' childhood cancer protein, opening a path to treatments for neuroblastoma
Researchers at Linköping University show how two important cancer-related proteins can be prevented from collaborating with each other. The discovery shows the way toward future medications to combat, for example, neuroblastoma ...
Medical Xpress / A new skin-hugging heart monitor material could make long-term ECG tracking far more comfortable
Researchers have created heart monitoring sensors that conform to the skin, are comfortable, and can be worn while people are moving. With performance comparable to sensors already on the market, the new technology can be ...
Medical Xpress / Blood test detects aggressive brain tumors early and could reduce need for risky surgery
Researchers at the University of Sussex, in collaboration with scientists from different institutes worldwide, have identified a blood test capable of early diagnosis of the most aggressive form of brain tumor. The technology ...
Medical Xpress / Gut microbiome changes may signal Parkinson's disease risk
Analysis of microbes in the gut can reveal whether a person faces an elevated risk of Parkinson's disease, before they have developed any symptoms, suggests a new study led by University College London (UCL) researchers. ...
Medical Xpress / How to remove a metabolic tattoo: Scientists find protective mechanism in T cell purine pathways
While modern life includes many conveniences, humans are still incessantly exposed to a variety of metabolic stresses we have never experienced before. Our immune systems are constantly trying to protect us, and CD8⁺ T cells ...
Medical Xpress / Having more kids associated with reduced risk of stroke and brain damage
While some say having lots of kids can make you lose your faculties, a new study suggests otherwise. Research co-led by UT Health San Antonio, the academic health center of The University of Texas at San Antonio, associates ...
Medical Xpress / Identifying which breast lesions will progress to cancer can help avoid overtreatment
A discovery by the Transformation and Metastasis Group of the Spanish National Cancer Research Center (CNIO) opens a path towards identifying precancerous breast lesions that will develop into tumors. This study, led by Eva ...
