People have long used the gifts of nature for the prevention and treatment of various diseases. Known on Earth more than 500 thousand species of plants about 12 thousand medicinal, healing properties which are used in modern scientific medicine. Herbs usually prepare infusions, decoctions, tinctures, juices, creams and more.
For the healing properties of people have given medicinal plants many warm, soft and sonorous names: "herb of life", "plants healers", "green friends" and so on.
and scientific language of remedies of natural origin referred to herbsand herbal treatment is called phytotherapy. For example, Valerian is used as a sedative for chronic disorders of the Central nervous system, insomnia, migraine, pain in the heart, hypertension.