“... there are good reasons for saying that [cannabis] would be unlikely to seriously [compare to] the public health risks of alcohol and tobacco even if as many people used cannabis as now drink alcohol or smoke tobacco.” - Hall, W., Room, R. & Bondy, S., WHO Project on Health Implications of Cannabis Use: A Comparative Appraisal of the Health and Psychological Consequences of Alcohol, Cannabis, Nicotine and Opiate Use, August 28, 1995, Geneva, Switzerland: World Health Organization