They believe that vegetarianism can live longer. They eat only vegetables, fruits, nuts, only to abstain from meat. They believe that vegetarianism is making healthy. No diseases and also has merit as well. But some people say that eating vegetables, but always to be the lack of protein. We have to eat meat to replace the broken part. Vegetarians do not eat animal products of any kind. Eat fruits and vegetables as a main meal. Vegetarians mainly to honor and morality. So do not eat meat They believe that eating vegetables is healthy it is. You do not need to eat meat, so each group had a different reason.