novel archeologic inquiry may have revealed that the original ' paleo dieting ' contain wheat and barley , and was not just restricted to meat and vegetables asthe current diet typically is .
scientist fromCambridge , Cardiff , UCL and York Universities hit the books the remains of nine peoplewho lived around 9,000 years ago in the late Mesolithic ( 6600 - 6450 BC ) and the Mesolithic - Neolithic form ( 6200 - 5900 BC ) and line up plant matter fossilize in their tooth .
Thanks to inadequate dental hygiene , micro - fossils were snare in ancient plaque on their teeth . The researchers say these plaques contain plants — cereals , in fact — that were n’t thought to be part of people ’s diet for another four C .

Mysteries were revealed from human teeth remains.Dr Dušan Borić / Cardiff
" There has been a long - stand view that for the most of the paleolithic time , but also in the Mesolithic , animal protein come from meat and Pisces was the primary staple food with a very circumscribed use of industrial plant food for thought , " lede investigator Dusan Borić told Business Insider .
Mysteries were revealed from human dentition stay . Dr Dušan Borić / Cardiff
multitude in the Mesolithic full point are generally believed to have beenhunter - gatherers and lived in Brobdingnagian woodlands . The Neolithic , or New Stone Age , came afterwards , and it ’s then that people were believe to havefirst planted grain crops and modernize agriculture .
The discovery of domesticated cereal in Mesolithic people ’s diet mean that social networks between local foragers and the first Neolithic community probably extend further than archeologist originally think , due to how deep into the Balkan hinterland they were found .
" At the time of the discovery we had the sense that these groups of complex hunter - gatherers were in touch with other more distant locations , " Borić said . " We found beads made of maritime univalve that total from coastal area in Greece and the Adriatic , C of kilometres away from the region for instance . "
This article originally appeared onBusiness Insider . right of first publication 2016
SEE ALSO : Sorry , paleo dieters : Your low - carb diet likely is n’t how our ascendant fueled their adult brains