Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Sub-Study I

"Low dose THC (\~4 mg), dissolved in alcohol. This dose is roughly equivalent to smoking approximately 1/4 of a marijuana cigarette, or joint. Administered over 20 minutes via a vaporizer."

Control: Approximately 4 drinks of orange juice or ginger ale covered by a trace amount of ethanol on the surface, each administered over approximately 10 minutes.

Control: No active THC. Administered over 20 minutes via a vaporizer. approximately 10 minutes.

0.4 g/kg ethanol in orange juice or ginger ale to reach a target BrAC of approximately 0.04%. This dose is equivalent to consuming approximately 2 standard drinks over 1 hour. Approximately 4 drinks, each administered over approximately 10 minutes.