The best diet Short

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Contrary to the common belief that human beings have pronounced the same sounds throughout history, a new study published today in the journal Science defends that several of the sounds of modern languages emerged recently thanks to changes in our diet . Apparently, the development of new diets and forms of nutrition caused alterations in the jaw and in the way of biting of humans, which allowed us to pronounce new sounds, such as "f" and "v", which are present in large part of the languages spoken today.

"Especially those phonemes that are pronounced when touching the lower lip with the upper teeth, as, for example, the letter" f "increased in the last millennia with the development of agriculture and the processing of food," said the scientist of the University of Zurich Steven Moran, co-author of the study with Damian Blasi and Balthasar Bickel. Therefore, Bickel questioned: "César said" veni, vidi, vici ", or was more like" weni, widi, wici? ". According to the research, led by the University of Zurich (Switzerland), biological conditions have been underestimated when explaining the development of human phonemes.

Until now it was believed that the sounds that we pronounce human beings have remained unchanged since the appearance of Homo Sapiens about 300,000 years ago, regardless of any subsequent change in human biology. But the team of researchers, led by the University of Zurich scientist Damian Blasi, decided to study how human sounds and speech evolved while changes in diet affected the jaw, especially with the abandonment of the hunting and gathering. Thus, they demonstrated that an alteration in the human adult dental structure caused the upper teeth to grow a little more advanced to the lower teeth, thanks to the development of better tools to process the food and a softer diet.

The new study continued a 1985 investigation in which linguist Charles Hocket argued that languages that include a large number of "f" and "v" sounds are generally those where a large number of "soft foods" are found. Bickel said the results "further demonstrate the complex links between cultural practices, human biology and language." "They also challenge the common assumption that, when it comes to language, the past sounds like the present," he said.