Plant Medicinal

Many plants harvest special matters in their roots, leaves, flowers, or seeds that help them to persist. For example, some plants make nasty-tasting materials to defend themselves against plant-eating animals. Since original times, people have gathered these substances to create herbal drugs to treat certain diseases. Many of the commanding drugs used in modern medicines created in plants. Today’s plant-based drugs treat a range of diseases, from headaches to cancer.
Medicinal plants, plants used as natural drugs. This practice has happened since prehistoric times. There are three ways in which plants have been create useful in medicine. First, they may be used straight as teas or in other mined forms for their natural chemical constituents. Second, they may be used as agents in the synthesis of drugs. To conclude, the organic molecules found in plants may be used as models for synthetic drugs. Historically, the therapeutic value of plants was tested by trial and error, as in the Doctrine of Signatures. Modern approaches to determining the medicinal properties of plants involve collaborative efforts that can include ethnobotanists, anthropologists, pharmaceutical chemists, and physicians. Many modern medicines had their origin in therapeutic plants. Examples include aspirin from willow bark (Salix spp.), digitalis from foxglove (Digitalis purpurea), and vinblastine from Madagascar periwinkle (Vinca rosea) for the treatment of childhood leukemia. See also herbal medicine.
Plants have been used for medicinal determinations long before prehistoric period. Ancient Unani manuscripts Egyptian papyrus and Chinese writings defined the use of herbs.  Evidence exist that Unani Hakims, Indian Vaids and European and Mediterranean philosophies were using herbs for over 4000 years as medicine. Native cultures such as Rome, Egypt, Iran, Africa and America used herbs in their healing rituals, while other advanced traditional medical systems such as Unani, Ayurveda and Chinese Medicine in which herbal treatments were used methodically.