Vegetarianism: history, types and benefits Vegetarianism is a diet that eliminates animal products. People follow this diet for a variety of reasons, including ethical, religious, environmental and health reasons. In this article we will look at the history, types and benefits of vegetarianism. History of vegetarianism The idea of vegetarianism is not new and dates back several centuries. It was first mentioned in ancient times, when the philosophers Pythagoras and Plato favoured plant-based ...