Welcome to the world of alternative medicine. Prince Charles is a staunch defender and millions of people swear by it; most UK doctors consider it to be little more than superstition and a waste of money. But how do you know which treatments really heal and which are potentially harmful? Now at last you can find out, thanks to the formidable partnership of Professor Edzard Ernst and Simon Singh. Edzard Ernst is the world's first professor of complementary medicine, based at Exeter...