Medicine from plants

Basically, this article just discusses the usefulness of plants as medicine. It goes on the objective that the National Cancer Institute has created a superior technique for screening plants for useful medicinal properties. Some of the economic aspects of the medicinal plant industry are discussed. Lastly, it discusses the number of plants that have been tested as opposed to the number of plants in existence. It states that many have come from tropical forests, especially rainforests, and at the rate that they are being destroyed we may lose valuable plants before we have a chance to test them.