Cannabis 'raises psychosis risk'
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.
In an additional article, experts said up to 800 schizophrenia cases a year in the UK could be linked to cannabis use.
BBC NEWS | Health | Cannabis 'raises psychosis risk'
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.
In an additional article, experts said up to 800 schizophrenia cases a year in the UK could be linked to cannabis use.
BBC NEWS | Health | Cannabis 'raises psychosis risk'