Medical Xpress news

Medical Xpress / New miniature microscope allows scientists to watch and control brain cells during natural movement

Researchers at the University of Colorado Anschutz and the University of Colorado Boulder have developed a miniature microscope that allows scientists to observe and activate individual brain cells during natural movement, ...

3 hours ago
Medical Xpress / Air pollution-linked blood changes detected years before lung cancer diagnosis

A new study, published Tuesday in Nature Communications, found measurable changes in people's blood associated with exposure to air pollution and the subsequent development of lung cancer. The findings provide promising clues ...

2 hours ago
Medical Xpress / Computational framework identifies novel pathway for asthma inflammation

Researchers at Columbia University Mailman School of Public Health, in collaboration with investigators at the University of Chicago, have developed a new computational framework that helps scientists identify genes that ...

4 hours ago
Medical Xpress / Testing finds 85% of everyday personal care products contain unlabeled chemicals with suspected health hazards

A new study of sunscreens, baby lotions, shampoos, soaps and other everyday products found that nearly all contained chemicals not disclosed on their labels. Most contained at least one unlabeled chemical with known or suspected ...

4 hours ago
Medical Xpress / Mapping how mental health risks emerge in AI chatbot conversations

Scientists at UCL have developed a framework for stress-testing how AI chatbots respond to vulnerable users, helping researchers identify weaknesses and test ways to make mental health interactions safer.

3 hours ago
Medical Xpress / An origami-inspired implant could monitor health from beneath the skin

The skin is the body's largest organ. It is a protective shield that keeps harmful pathogens out and vital fluids inside. These very properties make it a tough engineering challenge to design wearable health sensors because ...

4 hours ago
Medical Xpress / Scientists uncover cellular mechanism driving both rare childhood dementia and Alzheimer's disease

Researchers at the University of California San Diego and their colleagues have identified a key cellular pathway that drives brain degeneration in both a rare childhood disorder and the far more common Alzheimer's disease. ...

2 hours ago
Medical Xpress / ACL injuries may get an early-warning system through AI and wearable sensors

As a sophomore wide receiver who had just joined the USF football team, Jaden Alexis didn't expect a routine play to turn into a career-defining moment. During preseason football camp, Alexis had just sprinted up the sideline ...

1 hour ago
Medical Xpress / Single-cell atlas reveals how spinal neurons help coordinate walking and other rhythmic movements

Scientists at St. Jude Children's Research Hospital created a single-cell atlas of a key class of spinal neurons involved in motor coordination. From that resource, they identified a small subgroup of interneurons associated ...

5 hours ago
Medical Xpress / Protein secreted by immune cells may help drive brain aging

Brain-resident immune cells that have reached an old-age state called "senescence" secrete a protein that causes dysfunction in other brain cells, according to a study led by investigators at Weill Cornell Medicine. The discovery ...

6 hours ago
Medical Xpress / Detection of optic nerve inflammation enables earlier multiple sclerosis diagnoses

Multiple sclerosis (MS) is the most common chronic autoimmune disease of the central nervous system. An early and accurate diagnosis is crucial for improving the effectiveness of treatment and reducing nerve damage. To standardize ...

7 hours ago
Medical Xpress / Stem cells create humanlike heart valve tissue to model disease and test treatments

Melbourne researchers have created human heart valve tissues from stem cells, providing a powerful new platform to advance treatments for childhood heart diseases.

3 hours ago