title: Chronic lung disease.  Pay attention to your breath.
mesh_terms: D002908:Chronic Disease; D004417:Dyspnea / Q000503:physiopathology*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy / Q000503:physiopathology*; D015656:Respiratory Mechanics / Q000502:physiology