Vegetarianism: Having one’s food source be primarily of plant origin, for health, ethical, moral, religious, ecological or economic reasons. There are three types of vegetarians: ovo-lactovegetarians, who do not eat meat but use milk, milk products, and eggs; lactovegetarians, who consume milk products but no meat or eggs; vegans, or pure vegetarians, who avoid all animal foods in any form. (Prentice-Hall Dictionary of Nutrition and Health)
As you begin your research, you can use these resources to find background information.
There are many ways to narrow your focus as you investigate vegetarianism. Some possible things to think about include:
