Read previewThe popular Paleo diet is based on the belief that we are better off eating like our ancestors by sticking to a largely meat-heavy diet. "One way to think about it is as soon as anybody tells you that the Paleo diet was one thing, you can stop listening," said Pontzer, who wasn't involved in the study. The paleo diet is a high-protein diet that emphasizes unprocessed foods. AdvertisementThere is no one Paleo dietThis isn't the only research that disproves the model often held up by proponents of the modern-day definition of the Paleo diet. What's clear is that a meat-heavy diet isn't reflective of what people ate thousands of years ago.

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Persons: —, Randy Haas, Herman Pontzer, Pontzer, wasn't, Haas, Loren Cordain Organizations: Service, Business, University of Wyoming, Duke University, University of Liverpool, BI Locations: Peru, Patjxa, Germany