Tetrahydrocannabinol content and differences in marijuana smoking behavior

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Abstract
Changes in smoking behavior in response to a change in marijuana potency were measured in marijuana users. A marijuana cigarette containing 1.2% or 3.9% tetrahydrocannabinol (THC) was smoked on separate days by ten experienced users. Puff volume, duration and number, interpuff interval, inhalation volume and duration were averaged for each cigarette. The high potency cigarettes were smoked with more puffs and longer interpuff intervals, but also with greater inhaled volumes of air, thereby diluting the marijuana smoke.