"Never believe that a few caring people can't change the world. For indeed that's all who ever have."
Margaret Mead
"The sale of...[marijuana] for personal use in the Netherlands has not given rise to levels of use significantly higher than in countries which pursue a highly repressive policy."
Drugs Policy in the Netherlands: Continuity and Change, 1995
"It is not the business of the law to make anyone good or reverent or moral or clean or upright."
Murray Rothbard
Psychosis and Cannabis
From the Australian Drug Foundation
In general, there appears to be three separate circumstances whereby cannabis and psychosis are linked.
It is believed that cannabis use - especially if heavy and regular - may be linked to a condition known as a drug-induced psychosis or cannabis psychosis. This can last up to a few days. The episodes are often characterised by hallucinations, delusions, memory loss and confusion.
Cannabis use may also precipitate a latent psychosis. In other words, it could bring forward an episode of schizophrenia or manic depressive psychosis in a vulnerable or pre-disposed individual.
It is possible that cannabis use can trigger psychotic episodes in a person who already has a mental illness