There are several reasons why people choose to be vegetarians. It has many proven benefits on human health. Some think it is wrong or cruel to eat animals, since animals are killed and often feel pain. Other people may feel disgusted by meat or do not like the taste. A fourth reason is the effect on the environment. Producing meat (especially beef) uses more of the earth's land and water than eating food from plants. People may have more than one different reason for being a vegetarian.