Regional Cerebral Blood Flow After Marijuana Smoking
| Effect | Decrease |
| Trial Design | Double blind |
| Trial Length | 24 hours |
| Number of Subjects | 20 |
| Sex | Male |
| Age Range | 18-29 |
| Body Types | Average |
Acute inhalation of two doses of cannabis (1.75% THC cigarette or 3.55%) appeared to increase global cerebral blood flow in both hemispheres when tested after 30-60 minutes, but not after 120 minutes. These changes were associated with an increase in tension/anger, intoxication, but no significant differences in blood pressure noted.
Placebo cigarettes were used in this study, and while the study was acute in nature it was conducted in persons with a history of cannabis usage who did not consume any two weeks prior to the study.
