Homeopathy is based on a 300-year-old mistake and magnetic therapy is simply fraudulent. As for oxygen-fortified drinks ... Christopher Wanjek debunks some popular medical myths.
The first public autopsy in Britain for 170 years brought back vivid memories of medical school - and an acute sense of hunger - for the Guardian's junior doctor Michael Foxton.
I recommend either the concise Lonely Planet guides or the bulkier but more thorough Travellers' Health by Dr Richard Dawood (Oxford University Press, £14.99.