Veganism dates back to 1944, when British Vegan Society co-founder Donald Watson coined the term to mean “non-dairy vegetarian.” The Society expanded the definition in 1951 to state that “man should live without exploiting animals.” Vegans eschew animal products in food, clothing, household products, or for any other reason. There are a variety of reasons why people “go vegan.” Some simply don’t like the taste of meat. Some claim veganism is “green,” and that a vegan lifestyle minimizes impact on the environment. In 1997, a survey revealed three percent of the people in the U.S. claimed that they had not...