Fig. 2. The effects of smoked cannabis on the spontaneous pain (visual analog spontaneous pain intensity [VASPI]) and elicited pain to brush and von Frey hair stimulation after injection of capsaicin 20 min (early) and 55 min (late) after cannabis administration. Results are presented using the raw data from 100-mm visual analog scale ratings for each outcome measurement (VASPI, brush, von Frey). Data represent mean ± SEM. THC = tetrahydrocannabinol.