Nicotine and smoking.
D000818:Animals; D001143:Arousal / Q000187:drug effects; D001665:Binding Sites; D001921:Brain / Q000502:physiology; D002263:Carboxyhemoglobin / Q000378:metabolism; D004361:Drug Tolerance; D006801:Humans; D007858:Learning / Q000187:drug effects; D009043:Motor Activity / Q000187:drug effects; D009538:Nicotine / Q000494:pharmacology*; D011287:Prejudice / Q000187:drug effects; D012054:Reinforcement, Psychology; D012646:Self Administration; D012907:Smoking
D009538:Nicotine; D002263:Carboxyhemoglobin