Link Between Pot, Psychosis Goes Both Ways in Kids

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Marijuana (cannabis) use may be linked to the development of psychotic symptoms in teens – but the reverse could also be true: psychosis in adolescents may be linked to later pot use, according to a new Dutch study.

“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 established links between marijuana and psychosis, but scientists questioned whether pot use increased the risk of mental illness, or whether people were using pot to ease their psychotic symptoms, such as hallucinations and delusions.

“What is interesting in this study is that both processes are going on at the same time,” said Dr. Gregory Seeger, medical director for addiction services at Rochester General Hospital in upstate New York.

by Andrew Seaman, Reuters Health

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