0_Apprentice
I'm a vegetarian.  Do you know the history of vegetarianism? 
1_Wizard
From what I know Vegetarianism got it's roots in ancient India and ancient Greece
0_Apprentice
What vegetables did the people eat during that time? 
1_Wizard
Much the same as what we eat today. The concept is not to eat flesh. Some people include dairy and eggs while others don't.
0_Apprentice
So the practice is pretty much static? Has any advancements been made in it since the inception? 