Not quite, Aractus.
http://cannabisandpsychosis.ca/more-info...o-we-know/
Quote: Although it is well known that using cannabis can induce temporary psychotic/hallucinatory symptoms this accumulating body of evidence has suggested that there is an association between some youth who use cannabis regularly and enduring psychosis. Several recent studies suggest that frequent cannabis use during adolescence is associated with a clinically significant increased risk of developing schizophrenia and other mental illnesses which feature psychosis.
http://cannabisandpsychosis.ca/more-info...o-we-know/
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell