Detox remedies are a waste of money, say scientists

Multimillion pound industry makes claims which are frequently misleading and supported by 'little evidence'

Keep taking the fruit and veg: Vitamin pills do not reduce cancer risk

Taking vitamin supplements does not reproduce the cancer prevention benefits of a healthy balanced diet

Scientists claim there's no such thing as a hangover cure. What nonsense, writes Lucy Mangan

Genes found in Madagascan mouse lemur suggest HIV predecessor may be scores of millions of years old

Popular beliefs – including hot heads, kids high on sugar, and eating in the evening making you fat – have been blown out of the water

In the pursuit of scientific truth, two doctors examine the evidence behind some of our most widely held beliefs

Peter Singer: Malicious or not, the former South African president's Aids policy is responsible for hundreds of thousands of deaths

The discovery of six genes that raise the risk of obesity highlights the role of the brain in making people more prone to excessive eating

An ex-SAS soldier has come up with a flash way to store personal medical data

Gene testing for possible illness is growing in popularity - but health experts are unconvinced. James Randerson tries it