DNA from 10,000-year-old "chewing gum" sheds light Stone Age

DNA from a type of "chewing gum" used by teenagers in Sweden 10,000 years ago is shedding new light on the Stone Age diet and oral health, researchers said Tuesday.

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Sweden , Gothenburg , Vastra Gotalands Lan , Istanbul , Turkey , Stockholm , Swedish , Anders Gotherstrom , Huseby Klev , Baltic Sea , Stockholm University , Istanbul University , , Stone Age ,