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Phys.org / Three quarters of US teens use AI companions despite risks: Study

Nearly three in four American teenagers have used AI companions, with more than half qualifying as regular users despite growing safety concerns about these virtual relationships, according to a new survey released Wednesday.

Jul 17, 2025 in Other Sciences
Medical Xpress / How lung repair mechanisms can help fight against tuberculosis

New research has found that delivering a stronger form of the tuberculosis vaccine directly to the lungs can help generate protective immune cells to help fight the disease. The research is published in the journal Mucosal ...

Medical Xpress / Urban design and socioeconomic factors influence dengue hotspots in Medellín

A new study led by researchers from the University of Eastern Finland and a team of international collaborators shows that dengue outbreaks in Medellín, Colombia, are strongly linked to patterns of urban development and ...

Medical Xpress / The critical role of community and familial support in changing health behaviors and improving outcomes

A new qualitative study led by researchers from the UC Irvine Joe C. Wen School of Population & Public Health offers critical insights into how Latino families in Orange County, Calif. understand cardiovascular disease and ...

Jul 17, 2025 in Health
Medical Xpress / Alcohol-damaged liver cells form 'pseudosynapses' to trigger inflammation

Excessive alcohol consumption causes alcoholic liver disease, and about 20% of these cases progress to alcohol-associated steatohepatitis (ASH), which can lead to liver cirrhosis and liver failure. Early diagnosis and treatment ...

Jul 17, 2025 in Inflammatory disorders
Phys.org / Blades of light: A tabletop method for generating megatesla magnetic fields

Researchers at The University of Osaka have developed a novel method for generating ultra-high magnetic fields via laser-driven implosions of blade-structured microtubes. This method achieves field strengths approaching one ...

Jul 15, 2025 in Physics
Medical Xpress / Scientists develop tool that improves tissue cancer analysis

Researchers have developed a powerful new tool that makes it easier to study the mix of cell types in human tissue, which is crucial for understanding diseases such as cancer.

Jul 16, 2025 in Oncology & Cancer
Medical Xpress / Study examines health threat of tiny airborne plastics

More than 20 million pounds of plastic waste accumulates in the Great Lakes every year. While crusty water bottles, fraying cigarette butts and tangled knots of fishing line littering the shoreline may be the most visible ...

Jul 17, 2025 in Health
Medical Xpress / New research reveals how brain regions behave differently even when at rest

According to Dr. Karolina Armonaitė, a neuroscientist from Kaunas University of Technology in Lithuania, a more precise understanding of what happens in different areas of the cerebral cortex during sleep can help diagnose ...

Jul 17, 2025 in Neuroscience
Phys.org / How smarter incentives could help save forests—and support farmers

Clearing forests to plant crops makes good business sense in the short term for many farmers in tropical regions, where millions of people rely on healthy forests for food, fuel, and income. What if those farmers had compelling ...

Jul 17, 2025 in Biology
Medical Xpress / Few babies getting RSV antibody shot, study says

A new antibody shot that protects babies against RSV infection could be struggling to gain traction, researchers report.

Jul 17, 2025 in Pediatrics
Phys.org / Turfgrass research shows no differences in 'penetrant' and 'retainer' wetting agents

After several years of research, the results are in on the difference in turfgrass soil surfactants that are marketed as "penetrants" and "retainers."

Jul 17, 2025 in Biology