Pre-COPD Current and Former Smokers Not in the Clear for Airway Disease

(MedPage Today) -- Whether they had respiratory symptoms or not, former and current smokers who didn't meet criteria for chronic obstructive pulmonary disease (COPD) had similar declines in lung function and progression to COPD in subsequent years...
Source: MedPage Today Allergy - Category: Allergy & Immunology Source Type: news