" No known human society, however primitive or technologically unsophisticated, has ever found to subsist entirely on a diet of raw food. In fact, people in modern society who have adopted a raw food diet must spend an extraordinary amount of time chewing their food, they have less energy, lose weight, and are hungry virtually all the time. "

― Richard L. Currier , Unbound: How Eight Technologies Made Us Human, Transformed Society, and Brought Our World to the Brink