"...things like nuts and leaves and berries, and even bark and other components of trees, that chimpanzees regularly, or at least occasionally, feed on. But we've never documented them before in Australopith."
Professor de Ruiter says A. sediba may have added protein to its diet by eating insects or meat.
While Australopiths are related to modern humans in some way, discoveries about the creatures' diet could help clear up that ancestry. A report describing the diet of the A. sediba appeared in the journal Nature.
The World Health Organization says obesity has more than doubled worldwide since nineteen eighty. Some people are saying the best way to get a healthy body is to learn from our ancient ancestors.
In middle-class economies, eating a healthful diet can be a struggle. Processed snack foods, sweets and packaged meals are everywhere. In the United States, another kind of diet is getting some attention. It is called the Paleo diet.
The Paleo diet combines mainly natural foods that its supporters say humans are genetically-adapted to eat. They include meats, seafood, vegetables, fruits, nuts, seeds, roots and tubers. Very few processed foods and no grains are permitted. Sugars and starches are limited. And people following the diet closely have no milk products.
Robb Wolf is a former research biochemist. He wrote the book "The Paleo Solution -- The Original Human Diet."
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