Introduction
Cannabis was once widely prescribed as a drug for various forms of medical pain relief in the early 19th to 20th century. After rumors and anecdotes surfaced linking THC to crime and psychosis, the Federal Bureau of Narcotics began regulating the drug in the 1930s, which resulted in its outright ban for medical and recreational use. It was not until some 40 years in 1976 when medical marijuana users began challenging its designation as a Schedule I substance. Since then, hundreds of studies have been performed to confirm that both the active and non-psychoactive