KHQ MD ALERT: Why Pot Makes Some People Psychotic - Spokane, North Idaho News & Weather KHQ.com

YAHOO.COM - People who smoke pot may be at increased risk for psychosis if they have a certain genetic marker, a new study finds.

The results show people with this genetic marker who use cannabis are twice as likely to experience psychosis compared with those who use the drug but do not have the genetic marker.

Among people who use the drug every day, the risk for psychosis increases sevenfold for those who have the genetic marker.

Previous studies have linked smoking marijuana with an increased risk of psychiatric disorders, such as schizophrenia, but only a small number of those who smoke pot will ever have a psychotic episode. The new finding could help identify which cannabis users might be at risk for this side effect, the researchers said. click here to read the full story