Stimulant, Hallucinogen or Depressant? Use our interactive quiz to test your knowledge by putting drugs into the correct category. Drugs can be classified into three categories based on their effects on the brain or central nervous system.
The three categories are:
Simply pick up the drug name with your mouse (holding down the left mouse button) and drag it to the correct category circle. When you are over the correct circle an image of the drug will be displayed.
Play the Drug Effects Quiz
(Adobe Flash is required. Download it for free by clicking on the Flash link to the right.)