title: Two miles to better breathing.
mesh_terms: D000368:Aged; D018450:Disease Progression; D005260:Female; D006304:Health Status; D006801:Humans; D008297:Male; D008875:Middle Aged; D029424:Pulmonary Disease, Chronic Obstructive / Q000534:rehabilitation*; D040242:Risk Reduction Behavior; D055502:Secondary Prevention; D016138:Walking