What are the best medicinal herbs?

Herbs and plants have been by mankind since its early days, systematic study has been reported mainly in China, India, then Greece. In the modern era several medicines used effectively in medicine derived from plants, and today derivatives have therapeutic importance, such as salicylic acid, belladonna, quinine, digital, cocaine, caffeine. Although it is not obtained from herbs, one cannot forget the importance of penicillin and other , derived from fungi and bacteria. Fungi and bacteria are important in the manufacture of bread, wine, beer and cheese. Also of significant importance are vitamins in plants and fruits, the lack of which was a frequent cause of deformities and death in times of food deprivation. Several plants were considered by the Ministry of (

), but there is no scientific recognition of its effectiveness.