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. Vegetarians should make sure they get adequate amounts of these nutrients. Energy Energy is needed to sustain body processes and for physical activity. Energy in food is measured in calories.