Story perspectives

Cannabis Use Disorder Linked to Moderate Cognitive Impairments

8/30/2025

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Summary

Story summary

A meta-analysis in *Addictive Behaviors* indicates moderate cognitive impairments in individuals with cannabis use disorder, especially in verbal learning and memory.
The analysis of 23 studies shows a small-to-moderate effect size (Cohen’s d = 0.35) on cognitive performance.
Limitations include a lack of longitudinal studies and data on long-term abstinence effects.
Further research is needed on the duration and severity of cognitive deficits linked to high-potency cannabis use.

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Story summary

A meta-analysis in *Addictive Behaviors* indicates moderate cognitive impairments in individuals with cannabis use disorder, especially in verbal learning and memory.
The analysis of 23 studies shows a small-to-moderate effect size (Cohen’s d = 0.35) on cognitive performance.
Limitations include a lack of longitudinal studies and data on long-term abstinence effects.
Further research is needed on the duration and severity of cognitive deficits linked to high-potency cannabis use.