National Highway Traffic Safety Administration (NHTSA) notes. Marijuana and alcohol combined severely impede driving performance.
D000328:Adult; D000428:Alcohol Drinking / Q000009:adverse effects; D001334:Automobile Driving; D018592:Cross-Over Studies; D013759:Dronabinol / Q000009:adverse effects*; D004347:Drug Interactions; D000431:Ethanol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D008385:Marijuana Smoking / Q000009:adverse effects; D009426:Netherlands; D011597:Psychomotor Performance / Q000187:drug effects*; D011930:Reaction Time / Q000187:drug effects
D000431:Ethanol; D013759:Dronabinol