In science, anything older than a year is already hardly worth citing - this publication stems from 2009
I merely wished to return and reiterate my earlier claim that this study you quoted from was using stats ONLY FROM ENGLAND
However, this does not prove that cannabis use causes the poor outcomes. "The possible causal role of cannabis can only be answered by prospective epidemiological studies. In the first of these, 45,750 young men were asked about their drug use when they were conscripted into the Swedish army.5 Those who had used cannabis more than 50 times when conscripted, were 6 times more likely to receive a diagnosis of schizophrenia over the next 15 years(Figure 1). Since 2002, a series of prospective studies have confirmed that individuals who used cannabis at the baseline evaluation had a great-er risk of subsequently developing psychotic symptoms or full-blown schizophrenia than non-users.4-7
Cannabis is now generally recognized as a contributory cause of schizophrenia. Although psychosis develops in only a small minority of cannabis users, when you consider that almost 200 million people worldwide use cannabis, the number of people who suffer cannabis-induced psychosis is likely to be in the millions, and the impact on mental health services is significant. The proportion of psychosis that has been attributed to cannabis use in different countries ranges from 8% to 24%, depending, in part, on the prevalence of use and the potency of the cannabis"
I rest my case!
It has long been known that persons with schizophrenia are more likely to smoke cannabis than is the rest of the population.
Those who had used cannabis more than 50 times when conscripted, were 6 times more likely to receive a diagnosis of schizophrenia over the next 15 years
Since 2002, a series of prospective studies have confirmed that individuals who used cannabis at the baseline evaluation had a greater risk of subsequently developing psychotic symptoms or full-blown schizophrenia than non-users
Please feel free to research, and/or post related and/or contradictory material.
Aim: To model the impact of rising rates of cannabis use on the incidence and prevalence of psychosis under four hypotheses about the relationship between cannabis use and psychosis. Methods: The study modelled the effects on the prevalence of schizophrenia over the lifespan of cannabis in eight birth cohorts: 1940–1944, 1945–1949, 1950–1954, 1955–1959, 1960–1964, 1965–1969, 1970–1974, 1975–1979. It derived predictions as to the number of cases of schizophrenia that would be observed in these birth cohorts, given the following four hypotheses: (1) that there is a causal relationship between cannabis use and schizophrenia; (2) that cannabis use precipitates schizophrenia in vulnerable persons; (3) that cannabis use exacerbates schizophrenia; and (4) that persons with schizophrenia are more liable to become regular cannabis users. Results: There was a steep rise in the prevalence of cannabis use in Australia over the past 30 years and a corresponding decrease in the age of initiation of cannabis use. There was no evidence of a significant increase in the incidence of schizophrenia over the past 30 years. Data on trends the age of onset of schizophrenia did not show a clear pattern. Cannabis use among persons with schizophrenia has consistently been found to be more common than in the general population. Conclusions: Cannabis use does not appear to be causally related to the incidence of schizophrenia, but its use may precipitate disorders in persons who are vulnerable to developing psychosis and worsen the course of the disorder among those who have already developed it.
Did you get the point here, OP?
It's all about your point of view.
Watch an Aghori with your narrow worldly point of view and all you will see is a weird looking guy smoking weed.
Step out of your worldly point of view and all you will see is a "normal guy" just looking for spiritual enlightenment.
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