No matter where they are from, they are all helpful. If the plants are taken wrong, the result is very serious on many occasions. Some plants can put people in the hospital for a very long time. Others can cause death very quickly. When poisonous plants are prepared correctly, the effects are very good.
Some plants can help fight cancer, malaria and leukemia.
Others can help stop a disease that can cause blindness. The Indian yam is a plant that can help cure rheumatic fever and rheumatoid arthritis. It looks a lot like a wrinkled-up potato. Another type of helpful plant is an African bean. These beans get some chemicals extracted and those chemicals are mixed with some other chemicals.