People chose to be vegetarians for various reasons. It may be for health reasons, environmental reasons, due to a belief in animal rights, or a number of other factors. Moreover multiple studies speak to the benefits of a more plant based diet both for our health and for the environment. However like any diet, it is important to understand what it means to be a vegetarian before deciding if it is the right diet or lifestyle for you.
At its most basic form, being a vegetarian means refraining from eats meat, poultry, and fish. However there are varying degrees of vegetarianism based on how much you want to limit animal products from your diet.