title: Environmental influence on marihuana tolerance.
mesh_terms: D000818:Animals; D001143:Arousal / Q000187:drug effects; D001522:Behavior, Animal / Q000187:drug effects; D002188:Cannabis; D003214:Conditioning, Classical / Q000187:drug effects; D004361:Drug Tolerance; D004777:Environment; D008960:Models, Psychological; D051381:Rats; D013312:Stress, Physiological / Q000503:physiopathology