Are Humans Designed To Be Vegan?

There is no doubt that human evolution has been linked to meat in many fundamental ways. Our digestive tract is not one of obligatory herbivores; our enzymes evolved to digest meat whose consumption aided higher encephalization (an evolutionary increase in the complexity or relative size of the brain, involving a shift of function from non-cortical parts of the brain to the cortex). and better physical growth.

Aiello’s paper on human gut volume: http://www.scielo.br/scielo.php?scrip… CARTA’s page on Small/Large intestine ratio: https://carta.anthropogeny.org/moca/t… Evolution of stomach acidity: http://journals.plos.org/plosone/arti… Popovich et al paper on Western Lowland Gorilla diet: https://academic.oup.com/jn/article/1… Effect of a very high fiber simian diet on colonic function in humans: https://www.researchgate.net/publicat…