Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence

Cohort study (n=1087 reporting cannabis [CB] use in previous year) found high-potency cannabis linked to significant increase in frequency of CB use (OR 4.38; 95% CI, 2.89-6.63), likelihood of CB problems (4.08; 1.41-11.81) and likelihood of anxiety disorder (1.92; 1.11-3.32).

JAMA Psychiatry