Vegetarian: Standard issue vegetarians refrain from eating animal meat, namely beef, chicken, turkey, pork or seafood. Vegetarians do, however, eat dairy products, as animals are not harmed in the production of dairy.
Vegan: Vegans are similar to vegetarians with the exception being that their diet abstains from dairy products, as well as any other animal byproduct (i.e. chicken stock).
Pescetarian: Pescetarians are vegetarians that incorporate seafood.
So you're ready to take the plunge. Great! This section provides useful tips to start the process, lifestyle and attitude changes to keep in mind, as well as possible trouble shooting you might want to be aware of.