title: Epidemiology of chronic lung disease: risk factors and natural history.
mesh_terms: D000375:Aging; D000397:Air Pollution / Q000009:adverse effects; D001980:Bronchi / Q000503:physiopathology; D001985:Bronchial Provocation Tests; D002648:Child; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D008173:Lung Diseases, Obstructive / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000150:complications; D012306:Risk; D012907:Smoking