Author’s note: In this opening installment of a four-part series on the benefits and potential dangers of vegetarianism, we will examine “An Introduction to Vegetarianism” and “The Benefits of a Vegetarian Diet”. Subsequent installments will cover “Potential Dangers of Vegetarian Diets”, “The Role of Meat in the Early Development of Humans”, “The Benefits of Consuming Meat and Dairy Products”, “The Wishful Science and Myths about Vegetarianism/Veganism”, and “Common Traits of the World's Longest-Lived and Healthiest Peoples”