Medical Xpress news

Medical Xpress / Human liver tissue cell architecture reconstructed in 3D at a cellular level

Never-before-seen 3D reconstructions of human liver tissue have been created at a cellular level. The details obtained by a team of UW Medicine and University of Washington engineers and physicians capture the spatial microstructure ...

15 hours ago in Biomedical technology
Medical Xpress / Study finds that telemedicine visits cost far less than office visits

Telemedicine visits are five times less costly than in-person appointments for the most common conditions able to be treated by both forms of visits, new research from the Perelman School of Medicine at the University of ...

10 hours ago in Medical economics
Medical Xpress / It's not just about the number on the scale: The hidden value of so-called 'yo-yo dieting'

So-called "yo-yo dieting" confers long-term health benefits, according to a new study by Ben-Gurion University of the Negev researchers. "Yo-yo dieting" is a pattern in which individuals lose weight through lifestyle interventions ...

16 hours ago in Health
Medical Xpress / Novel markers of brain blood flow and oxygenation may offer early clues to Alzheimer's risk

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's disease risk, according to new research from the Mark and Mary Stevens Neuroimaging and Informatics ...

16 hours ago in Neuroscience
Medical Xpress / ChatGPT Health: First independent evaluation raises safety questions

ChatGPT Health, a widely used consumer artificial intelligence (AI) tool that provides health guidance directly to the public—including advice about how urgently to seek medical care—may fail to direct users appropriately ...

17 hours ago in Health informatics
Medical Xpress / As worms and jellyfish wriggle, new AI tools track their neurons

Understanding the connection between behavior and brain cell activity is a major goal of neuroscience. To make progress, neuroscientists often choose simple, transparent lab animals because it's possible to see all their ...

18 hours ago in Neuroscience
Medical Xpress / The brain's primitive 'fear center' is actually a sophisticated mediator, research reveals

A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear center," reflexively ...

17 hours ago in Psychology & Psychiatry
Medical Xpress / Centenarians' blood sheds light on the mechanisms of longevity

In Switzerland, 0.02% of the population lives beyond the age of 100. Could there be biological characteristics associated with this exceptional longevity? As part of the "SWISS100" study, the first large-scale Swiss research ...

20 hours ago in Gerontology & Geriatrics
Medical Xpress / Stimulating mitochondria to boost long-term memory

An international team led by Jaime de Juan-Sanz at the Paris Brain Institute has shown that slightly increasing the metabolic capacity of neurons can enhance long-term memory in both fruit flies and mice. The study, published ...

19 hours ago in Neuroscience
Medical Xpress / Engineered immune therapy could help fight brain aging

Researchers with the Knight Initiative for Brain Resilience have modified a well-known immune protein to spark the growth of new neurons, ease brain inflammation, and improve cognition in old mice. The findings, published ...

19 hours ago in Neuroscience
Medical Xpress / Did you hear about the lab-made ear?

In laboratory experiments, researchers have produced ear cartilage that remains form-stable in animal models. Only one element is missing to make the tissue as elastic as a natural ear.

20 hours ago in Medical research
Medical Xpress / Kenya-Uganda trial reduces HIV incidence by 70% in rural populations

By pairing digital tools with tailored HIV services delivered by community health workers and clinicians, a study has reduced new HIV cases by 70% in rural Kenya and Uganda. This successful strategic implementation of existing ...

12 hours ago in HIV & AIDS