Vegetarians should seek necessary medical care. Some people feel that one way to combat environmental degradation and world hunger is to eat lower on the food chain. Economics Most plant foods are less expensive than animal foods. The cost of meat may limit the amount people eat. Ethics Ethical reasons for vegetarianism include philosophies such as nonviolence and reverence for life.
Some people are opposed to killing animals for food and abstain from eating meat, poultry and fish.
Some religious groups have traditionally been vegetarian. Several Indian religious groups include vegetarianism among their tenets of faith. Some vegetarians are members of new religious groups with diet-related taboos. Planning a Nutritious Vegetarian Diet People on vegetarian diets generally receive adequate amounts of most nutrients. However, the following nutrients may be lacking.