I am a vegetarian.  the roots of vegetarianism comes from civilization of ancient india and greece.
that's interesting.  Why did you become a vegetarian?
aesthetic, economic, or personal preference. There are variations of the diet as well: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products, and a lacto-vegetarian diet includes dairy products but not eggs. A strict vegetarian diet – referred to as "vegan" – excludes all animal products, including eggs and dairy. Avoidance of animal products may require dietary supplements to prevent deficiencies such as vitamin B12 deficiency, which leads to pernicious anemia.
Lacto vegetarianism
A lacto-vegetarian (sometimes referred to as a lactarian; from the Latin root lact-, "milk") diet is a diet that includes vegetables as well as dairy products such as milk, cheese, yogurt, butter, ghee, cream, and kefir. 
In India, lacto vegetarian is considered synonymous to vegetarian, while eating eggs is considered a form of non-vegetarian diet. The concept and practice of lacto-vegetarianism among a significant number of people comes from ancient India. In other