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Medical Xpress / Massage gun use on/around the eyes risks major retinal injury, doctors warn

Using a massage gun on or around the eyes risks major tearing and bruising to the retina—the light-sensitive tissue at the back of the eye—doctors warn in the online journal BMJ Case Reports after treating a young man who ...

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Medical Xpress / Experimental tau tracer detects Alzheimer's-linked changes earlier than standard PET scans

Alzheimer's disease is commonly known for its symptoms—memory loss, cognitive impairment, difficulty with daily tasks—but it can only be definitively diagnosed by looking at the brain. A scan must show the abnormal buildup ...

30 minutes ago
Medical Xpress / New study could unlock how body's emergency blood factory is connected to aging and cancer

Researchers at Columbia University have identified a switch that turns on the rapid production of blood cells in emergency situations, a finding that could help researchers uncover new treatments for aging and some of the ...

10 minutes ago
Medical Xpress / A diet-derived nutrient in breast milk may shape immune development

Trans-vaccenic acid (TVA), the most abundant trans fatty acid found in human breast milk, helps boost immune system development and has long-lasting effects on immune system health in mice, according to a new study by researchers ...

1 hour ago
Medical Xpress / Respiratory symptoms in people with COPD worsen when walking in areas with high levels of black carbon

Physical activity, particularly walking, is a common recommendation for people with chronic obstructive pulmonary disease (COPD). However, carrying out this activity in polluted areas may increase exposure to airborne contaminants. ...

50 minutes ago
Tech Xplore / How AI helps World Cup referees make the call

More than 1.5 billion people worldwide are expected to watch the 2026 World Cup finals. With that many fans scrutinizing every pass, touch and goal, FIFA is leaning on advanced computer vision technology to help referees ...

50 minutes ago
Medical Xpress / Near-complete reduction of cervical cancer deaths among HPV-vaccinated UK teens shows need for equitable access

High-income countries that initiated widespread administration of the human papillomavirus (HPV) vaccine in the mid-2000s have experienced substantial declines in cervical cancer cases, marking a significant achievement in ...

1 hour ago
Phys.org / Climate change is now causing more local extinction in temperate regions than the tropics, study shows

Imagine returning to a favorite hiking trail 15 years after your first visit and discovering that many of the plants and animals that once lived there are gone. While these species may still exist elsewhere, these disappearances—known ...

1 hour ago
Phys.org / Fermi mission uncovers possible sibling supernova remnants

A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came from stellar siblings that once orbited each other. The first star's detonation sent its binary companion hurtling ...

1 hour ago
Phys.org / Trace additive unlocks faster bioplastic biodegradation without losing transparency or strength

Compostable plastics could be part of a solution to the world's plastic waste problem. But currently these materials need industrial composting facilities to break down. In a step toward making a home-compostable plastic, ...

2 hours ago
Phys.org / 'Timescapes' may explain why animal species perceive events so differently

There is evidence that nonhuman animals perceive the world, and how it unfolds in time, differently from humans and from each other. For example, certain beetles can see flickering in lights up to around 500 Hz, while in ...

4 hours ago
Phys.org / Alpha Magnetic Spectrometer reveals four cosmic ray classes across 20 elements, defying current models

Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts of mass, including carbon, nitrogen and oxygen—the building blocks of life. In fact, the star may ...

2 hours ago