Study links psychosis to use of cannabis

USING cannabis as a teenager or into young adulthood increases the risk of psychosis, experts have warned.

There has long been a debate over whether the link between cannabis and psychosis is causal or whether early psychotic experiences lead people to “self-medicate” with cannabis.

Researchers examined data for more than 1,900 people who were aged 14 to 24 at the start of the study.