A drug is any substance other than food, that when inhaled, injected, smoked, consumed, absorbed via a patch on the skin or dissolved under the tongue causes a physiological change in the body.

A drug is any chemical substance other than a food or device that affects the function of living things. Drugs can be used to treat illness, relieve a symptom or modify a chemical process in the body for a specific purpose.

Drug Scenes (original French title Scénarios sur la drogue, also titled Drugs!) is an omnibus film (2000) of 24 French short films depicting drug abuse. Varying in length from three to seven minutes, they showed in movie theaters before feature films.