Why? Because it provides us with a huge amount of different medicinal material. Significant quantities of the drugs we use are extracted from tropical plants and animals, and most of the drugs used to fight cancer come from there too. The forests contain a potential source of an incredible amount of healing, but most of it has not yet been discovered. Human health is directly linked to the conservation of forests and all their aspects. It also provides ecotherapy or earth-centered therapy. It's about healing through a better understanding of the relationship between the earth and humans. It is usually prescribed to anxious patients, depressed patients among many others