Hypnosis has long been the preserve of crooks and cranks, but does it really work? Robin Waterfied tries to reclaim mesmerism as a respectable pursuit in Hidden Depths
Anne Karpf: A short history of medicine. "I have earache..." 2000BC: Here, eat this root. 1000AD: That root is heathen. Here, say this prayer. 1850AD: Prayer is superstition...
Obesity kills 300,000 people a year in America and is the nation's number-one health hazard. Nowhere is this more true than in Mississippi, where food is cheap and exercise unheard of. Matthew Engel visits the heaviest state of a country that is in danger of busting the scales.