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Argument: Marijuana can curb psychotic symptoms in people with schizophrenia
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- James Randerson, Science Correspondent. "Cannabis Chemical Curbs Psychotic Symptoms". Guardian Unlimited UK. April 30, 2007 - "London -- One of the active chemicals in cannabis inhibits psychotic symptoms in people with schizophrenia, according to a study which compared it with a leading anti-psychotic drug. Although the finding could lead to new treatments for schizophrenia, scientists think it may also explain why cases of cannabis-induced psychosis are apparently on the rise.
- Most cannabis research focuses on tetrahydrocannabinol (THC), the active ingredient that produces the high. Recent studies have shown THC makes symptoms of schizophrenia worse and triggers the condition in a small proportion of users.
- But the new research shows that another chemical, cannabidiol (CBD), has the opposite effect. 'One possibility is that there are good guys and bad guys within cannabis,' said Markus Leweke, of the University of Cologne. He and his team compared the effects of CBD and a leading anti-psychotic drug, Amisulpride, on 42 patients with schizophrenia. After four weeks the symptoms of both groups had improved, but those treated with CBD suffered fewer side-effects."...