This study attempts to characterize the effects of tetrahydrocannabinol (THC).
Tetrahydrocannabinol is the active ingredient of marijuana, cannabis, "ganja", or "pot". This
study will involve healthy volunteers who 1) have no history of alcoholism in their family or
2) have a family history of alcoholism. This study looks at individuals with or without a
family history of alcoholism to determine if there is a difference between the two groups in
the response to THC.
- Exposure to cannabis at least once