The popular 'caveman diet' has been backed up by scientists.
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For all the modern advice on how to shed the kgs, the best way to lose weight is by copying our ancient ancestors, a study suggests.
The "caveman" diet popular with celebrities including Uma Thurman and Tom Jones has been given the seal of approval by scientists who found it
more effective than some modern diets.
Women who adopted the so-called Palaeolithic diet lost twice as much weight within six months as those who followed a modern programme based on official health guidelines.
The diet involves eating plenty of berries, vegetables and lean meats such as chicken. Bread, rice, pasta and dairy products are banned.
The diet aims to simulate what our ancestors ate before farming began about 12,000 years ago.