A Beginner's Guide to Vegetarianism"Vegetarianism is the practice of abstaining from meat, poultry and seafood. Many folks assume that a diet should consist of meat to be protein-rich and balanced, and this may be true in some ways, but leafy greens can be just as nutritionally fulfilling, and according to Sutter Health, can aid with feelings of anxiety and depression." (University Wire) Read about the benefits of a vegetarian diet.