Cessation of cigarette smoking and pulmonary disease.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001294:Attitude to Health; D001991:Bronchitis / Q000453:epidemiology; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology / Q000401:mortality; D008175:Lung Neoplasms / Q000453:epidemiology* / Q000401:mortality; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000453:epidemiology; D012306:Risk; D012907:Smoking / Q000150:complications / Q000401:mortality; D000074606:Smoking Prevention; D013997:Time Factors