How effective and safe is medical cannabis as a treatment of mental disorders? A systematic review.

Eur Arch Psychiatry Clin Neurosci · 2019 · PMC6595000 · PMID 30706168

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did not reach statistical significanceno p-value reported

In patients with attention-deficit hyperactivity disorder improvement in cognition and activity level did not reach statistical significance (1 RCT) [ 18 ].

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