I should have included this: <http://www.pnas.org/content/108/49/19546.abstract> http://www.pnas.org/content/108/49/19546.abstract>. There is evidence that agri

I should have included this: <http://www.pnas.org/content/108/49/19546.abstract> http://www.pnas.org/content/108/49/19546.abstract>. There is evidence that agricultural/industrial diet increases dental crownding. The article included the line "These cusped grinders may have been useful before we learned to cook and process food." which for some reason made me think they were making the same argument.