Jawbones are 'shaped by diet'

Nov. 23, 2011
Study finds that jawbones are shaped by diet.

Diet has shaped human jaw bones, a result that could help explain why many people suffer with overcrowded teeth. The study has shown that jaws grew shorter and broader as humans took on a more pastoral lifestyle.

Before this, developing mandibles were probably strengthened to give hunter-gatherers greater bite force. The results were published in the Proceedings of the National Academy of Sciences.

Read the entire article on www.bbc.com.