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Thread: Ancestral shift in diet may have changed human speech as well

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    Ancestral shift in diet may have changed human speech as well

    When humans invented agriculture, the world changed forever. With a steady and predictable food supply, humans were free to diversify their labor and pursuits, effectively ushering in civilization as we know it. By cultivating cereals and raising livestock, our diets also changed. This altered our face structure and led to less tooth wear. Now, a new study says that these biomechanical shifts may have allowed humans to produce new sounds such as v and f. In other words, language also changed along with diet.

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