Its natural, especially plants, have been used for the treatment of various diseases. Terrestrial plants have been used as medicines in Egypt, China, India, and Greece from ancient times and an impressive number of modern drugs have been developed from them.
According to World Health Organization, 80 % of the people living in rural areas depend on medicinal herbs as a primary healthcare system. Nearly 1 in 5 adults in the United States report taking an herbal product. An herb can be any form of a plant or plant product, including leaves, stems, flowers, roots, and seeds. These plants can either be sold raw or as extracts, where the plant is macerated with water, alcohol, or other solvents to extract some of the chemicals.
An Australian survey reported that 12% of 3000 subjects used herbal medicines.
In Germany, herbal medicine is very much part of medical and social culture, and tens of millions of prescriptions are written for herbal medicines each year