Marijuana In this report I will show you my views on Marijuana, if it should be legal, for medical and/or recreational purposes. Marijuana has many names: Dope, Marihuana, Ganja, Pot Mary Jane, Cannabis Sativa (Scientific) to name a few. Marijuana originated in the middle east (Taiwan, Korea). China plays an important part in Marijuana's history. Hoatho, the first chinese physician to use Cannabis for medical purposes as a painkiller and anesthetic for surgery. In the Ninth Century B.C., it was used as an incense by the Assyrians Herbal, a Chinese book of medicine from the second Century B.C.