The multiple dangers of smoking.
D002638:Chewing Gum; D004326:Drinking; D006801:Humans; D007010:Hyponatremia / Q000209:etiology*; D001523:Mental Disorders / Q000523:psychology; D009538:Nicotine / Q000008:administration & dosage; D000074606:Smoking Prevention; D014029:Tobacco Use Disorder / Q000150:complications / Q000188:drug therapy
D002638:Chewing Gum; D009538:Nicotine