Originally posted on CBS DC:
WASHINGTON (CBS DC) – Marijuana use is being linked in both cause-and-effect directions between teens and symptoms of psychosis.
Researchers at Leiden University in the Netherlands believe that marijuana use may be linked to the development of psychotic symptoms in young people.
But they also believe that psychotic symptoms in teens may lead them to use pot.
“We have focused mainly on temporal order; is it the chicken or the egg? As the study shows, it is a bidirectional relationship,” wrote the study’s lead author Merel Griffith-Lendering, a doctoral candidate at Leiden University in The Netherlands, in an email to Reuters Health.
Previous research on the topic has established links between the two, but no conclusive evidence has been found to pointing to any exact causality.
A 2010 study of 3,800 Australian teenagers found that those who used marijuana were twice as likely to develop psychosis compared to teens…
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