Celebrities from Jennifer Aniston to Geri Halliwell swear by it, and more than 10 million copies of the book, Dr Atkins' New Diet Revolution, first published 30 years ago, have been sold worldwide.

Move over Atkins, the gorilla diet could soon be taking the world by storm. Researchers have discovered that following a primitive ape-like regime reduces cholesterol by up to 30 per cent in a ...