Mean (+SEM) data for heart rate (beats per min, bpm), subjective drug effect ratings (“Drug Effect” and “Like”), and blood concentrations of THC and THC metabolites (11-OH-THC, THCCOOH), over time for female cannabis users (N=14) during the two acute cannabis administration sessions: placebo (i.e., 0 mg THC) and active (i.e., 25 mg THC). Note that blood THC data are only displayed from active sessions.