Veganism?

[Minimalist]

http://berkeley.edu/news/media/releases/...1999a.html

BERKELEY-- Human ancestors who roamed the dry and open savannas of Africa about 2 million years ago routinely began to include meat in their diets to compensate for a serious decline in the quality of plant foods, according to a physical anthropologist at the University of California, Berkeley.

It was this new meat diet, full of densely-packed nutrients, that provided the catalyst for human evolution, particularly the growth of the brain, said Katharine Milton, an authority on primate diet.

Here you go, D/T.