My prank demonstrated how our minds can adversely affect our health, and scientists are increasingly showing that negative thoughts can produce very real symptoms, says science writer Helen Pilcher
The horror of sports lessons put three in 10 of British 50 to 65-year-olds off exercise for life. I wish I’d known sooner that movement can feel so good, writes Emma Beddington
If you’re the glass-half-full type, you should be overjoyed at the news coming out of Yale School of Public Health. But pessimists like me? We’re stuffed, writes Emma Beddington