0_Apprentice
Vegetarianism, or the Pythagorean diet, has been around for thousands of years, going back all the way to ancient greece.
1_Wizard
I know this as well. It has a theory and practice of voluntary non-consumption of the flesh of any animal 
0_Apprentice
Yes, and you could also say that our paleolithic and neolithic ancestors also practiced this diet, as they consumed mainly a plant based diet ( plants can't run away ).
1_Wizard
That is quite funny. Then what do you have to say about the Mesolithic era which followed the Paleolithic era