Study: Cerebral cortex thinning in teens who used cannabis

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Using cannabis during adolescence may be linked to neurodevelopment changes via thinning of the cerebral cortex, suggests a new study. The findings indicate there was a dose-dependent element to the cortical thinning. Indeed, using cannabis while an adolescent appeared linked to “accelerated, age-related cortical thinning from 14 to 19 years of age in predominantly prefrontal regions,” it adds. These indicated that “the adolescent brain is sensitive to disruptions in endocannabinoid signaling, resulting in altered neurodevelopment and lasting behavioural effects,” study authors write. To find out, they examined 1,598 magnetic resonance images from 799 people involved in a cohort study done across eight European sites.

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Using cannabis during adolescence may be linked to neurodevelopment changes via thinning of the cerebral cortex, suggests a new study.

Published this week in JAMA Psychiatry, investigators were curious to see if consuming weed during adolescence had any effect on cortical thickness development.

To find out, they examined 1,598 magnetic resonance images from 799 people involved in a

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