In recent years, the purported health and environmental benefits of vegetarianism have convinced many people to eat a plant-based diet. However, experts caution that not all vegetarian foods are inherently healthy. Readers discover this as they explore the history of vegetarianism and nutritional guidelines for living as a healthy vegetarian. Full-color photographs, charts, graphs, and fact boxes are utilized to highlight important concepts, debunked misconceptions, and current scientific studies on nutrition and human health. Along with annotated quotes by experts, these features help young adults learn to think critically about vegetarianism.