Passive smoking: a little inspiration can seriously damage health.
Drew
C D
CD
D049669:History, 16th Century; D049670:History, 17th Century; D049673:History, 20th Century; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology / Q000266:history; D012907:Smoking / Q000009:adverse effects / Q000266:history; D014028:Tobacco Smoke Pollution / Q000009:adverse effects / Q000266:history*
D014028:Tobacco Smoke Pollution