Cannabis is the most widely used illegal plant in the United Kingdom. It is a plant which is native to the British Isles called hemp in natural form, The traditional name in Britain for Cannabis was hemp and that name is still used in the United Kingdom, although nowadays it refers almost exclusively to the non-psychoactive strains of the plant typically cultivated by growers and processors of industrial cannabis. The word cannabis is contemporaneously used as a generic term for plants and plant products deliberately grown for, or because of, their psychoactive properties; that is, the ones that can 'get you high'.A number of organisations advocate a reform of its legality, such as NORML UK, UKCSC, Drug Equality Alliance, Cannabis Law Reform, United Patients Alliance Feed The Birds and Can