A warm cup of tea can trigger sweating and lower your body temperature, but only if you’re in an airy space Could a warm cup of tea really be the key to cooling down in hot weather? Or is that just something caffeine fiends tell themselves when they’re still working through a pot of coffee as the temperature hits 30C? Prof John Tregoning, the author of Live Forever? A Curious Scientist’s Guide to Wellness, Ageing and Death, says it depends on the circumstances. He points to the work of Australian scientist Prof Ollie Jay, who is a world leader in researching heat and how it balances out in your body. Continue reading...