Whether a minor preference for a meat-free diet or a serious repulsion to exploitation of animals in any way, vegetarians come in many varieties. Learn about lacto, ovo, ovo-lacto, and environmental vegetarianism as well as veganism. Examine vegetarian cuisine and the vegetarian Diet Pyramid. Get to know which famous people are notable vegetarians. Study vegetarianism in various religions around the world and also how it plays in our society as a whole.