The document discusses vegetarian and vegan diets. It notes that vegetarian diets can be ovo-vegetarian including eggs, ovo-lacto including eggs and dairy, or exclude all animal products. Vegan diets strictly avoid all animal products including dairy and eggs. While both diets focus on plant-based foods, veganism is a lifestyle that avoids all animal products. The document provides tips for vegetarians and vegans to ensure they meet nutrient needs, such as obtaining omega-3 fats, vitamin B12, calcium, and iron. With careful planning, vegetarian and vegan diets can meet all nutrient requirements and provide health benefits.