This could suggest that at some point in history a change took place that caused only some female mosquitoes to use blood as food. Vegan and vegetarian diets generally include a range of fruits, vegetables, nuts, seeds, grains, and pulses, as well as “meat substitutes” that derive from these food types. Both diets offer similar health benefits and generally encourage people to eat more antioxidant-rich and nutrient-dense whole foods. The difference involves more than just whether a person eats cheese. …