Scientists have begun exploring what can be learned from the diet of cavemen who lived ago, based on vegetables, fruit, nuts, roots and meat. Cereals, potatoes, bread and milk were not featured at all.
It was only with the dawn of agriculture (around 10,000 years ago) that our diets evolved to include what we think of as staple foods now.
Research will focus on how the food eaten by hunter-gatherers could enhance modern day nutrition.
In contrast to the cereal crops we rely on now for the basis of our food, the pre-farming diet contained fewer carbohydrates, less fat and more vegetables. So was it a healthier diet?
"It seems so," Mark Thomas, professor of evolutionary genetics at University College London, told BBC News. "Paleolithic man may have died earlier than we do now, but he didn't die of bad nutrition."
"We need to decrease our reliance on refined sugar and a heavy carbohydrate diet, and replace some of the things we have lost," says Professor Monique Simmonds, head of the sustainable uses of plants group at the Royal Botanic Gardens, Kew, in the BBC News article.
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