General effects of smoking on health.
D004938:Esophageal Neoplasms / Q000209:etiology; D006262:Health; D006801:Humans; D009538:Nicotine / Q000494:pharmacology; D012140:Respiratory Tract Diseases / Q000209:etiology; D012907:Smoking; D014028:Tobacco Smoke Pollution; D001749:Urinary Bladder Neoplasms / Q000209:etiology
D014028:Tobacco Smoke Pollution; D009538:Nicotine