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A major new analysis suggests semaglutide (Ozempic, Wegovy) works remarkably well in adults over 65, helping many lose substantial amounts of weight while improving heart and metabolic health. Participants taking the drug lost over 15% of their body ...

A new study suggests AI chatbots may do more than spread misinformation -- they can actively strengthen a user's false beliefs. Because conversational AI often validates and builds on what users say, it can make distorted memories, conspiracy ...

An ancient Chinese exercise routine may be just as powerful as a daily brisk walk for lowering blood pressure -- without equipment, gyms, or intense workouts. In a major clinical trial, adults with stage 1 hypertension who practiced baduanjin, a ...

Scientists in Germany have pulled off a staggering computing feat by fully simulating a 50-qubit quantum computer for the first time ever using Europe's new exascale supercomputer, JUPITER. The breakthrough shatters the previous 48-qubit record and . ...

Ultra-processed foods may be doing far more damage than many people realize. A major new European cardiology report warns that people who eat the most ultra-processed foods face significantly higher risks of heart disease, irregular heart rhythms, .. ...

A team at the University of Hong Kong has developed a new "super steel" that can survive the harsh conditions needed to make green hydrogen from seawater. The material uses an unexpected double-protection mechanism that resists corrosion far better . ...

Scientists at the University of Rochester pulled off a remarkable experiment: they transferred a longevity-related gene from the famously long-lived naked mole rat into mice, and the mice ended up healthier and lived longer. The special gene boosts . ...

Scientists have uncovered a striking brain difference linked to psychopathy: people with psychopathic traits were found to have a striatum -- a brain region tied to reward, motivation, and decision-making -- that was about 10% larger on average than ...

Scientists have uncovered a hidden "stop-scratching" signal in the nervous system that tells your brain when enough scratching is enough. The discovery centers on a molecule called TRPV4, which acts like part of an internal braking system for itch .. ...

A colossal underwater volcano in the South Pacific may have revealed a surprising new weapon against climate change. After the 2022 eruption of Hunga Tonga-Hunga Ha'apai, scientists detected enormous amounts of formaldehyde in the atmosphere -- a ...