A within-person comparison of the subjective effects of higher vs. lower-potency cannabis

8/19/20–According to a study published by the National Center for Biotechnology Information comparing the subjective effects of concentrates and marijuana, the main difference in the subjective effects of marijuana and concentrates is in terms of their positive effects, with marijuana producing greater positive effects than concentrates. Negative effects of marijuana and concentrates were small, suggesting that extreme negative effects are unlikely for regular cannabis users. Read