However, to argue that humans have to eat meat because of physiology is a different ball game altogether. Modern styles of living allow us to eat all sorts of fresh food from all around the world. This means we can easily get all the nutrients we need from vegetarian sources. Summary It is important to bear in mind that vegetarians are in the minority and that eating meat is part of our cultural experience, therefore change will not come overnight. However, with convincing arguments more and more are moving to a vegetarian diet.
Some people turn vegetarian for personal health, others because of a concern for animal welfare.