Severe heat doesn’t just make us uncomfortable—it impairs brain defenses, disrupts sleep, lowers cognitive performance, heightens irritability, and worsens medical conditions, say neuroscientists and psychologists

Routine use of AI-assisted colonoscopy could cut gastroenterologists’ ability to spot precancerous growths by 20%, according to a new study in The Lancet; Researchers warn of 'skill erosion' if reliance becomes too great