title: The passive smoker.
mesh_terms: D002170:Canada; D002648:Child; D004781:Environmental Exposure; D005060:Europe; D006801:Humans; D008171:Lung Diseases / Q000209:etiology; D012906:Smoke; D000074606:Smoking Prevention; D012940:Social Problems; D014481:United States
chemical_list: D012906:Smoke