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.

Atkins, the crux of the original food plan was restricting ... which he published in his book Dr Atkins Diet Revolution in 1972 — the best-selling diet book ever, over 15 million and counting.