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| Cannabis users are 40% more likely than non-users to suffer a psychotic illness such as schizophrenia, say UK experts. Writing in the Lancet, a team led by Dr Stanley Zammit from Bristol and Cardiff Universities said young people needed to be made aware of the dangers... ...The study found the most frequent users of cannabis have twice the risk of non-users of developing psychotic symptoms, such as hallucinations and delusions... |
