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"It's always too early to quit."

Norman Vincent Peale

"There is no greater tyranny, than that which is perpetrated under the shield of law and in the name of justice."

Montesquieu

"Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism."

Carl Jung

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