This study investigated the smoking topography of marijuana and its effect on heart rate, subjective reports, and cognitive/psychomotor task performance. Male subjects (N = 12) with histories of moderate marijuana use smoked ad lib one cigarette containing 0, 1.3, or 2.7% delta 9-THC on separate days. Smoking topography measures revealed smaller puff and inhalation volumes and shorter puff...
This study compared subjective and performance dose effect profiles of oral alcohol and smoked marijuana. Male subjects (N = 6) with histories of moderate alcohol and marijuana use received three doses of alcohol (0, 0.6, 1.2 g/kg) and three doses of marijuana (0, 1.3, 2.7% delta 9-THC) in a double-blind, randomized crossover design. Physiological indices indicated that active drug was...