Executive summary Despite substantial progress in reducing the global impact of many non-
communicable diseases, including heart disease and cancer, morbidity and mortality due to …

Summary Veterans postdeployment to Southwest Asia and Afghanistan with respiratory
symptoms should undergo an exposure assessment and comprehensive medical …

Rationale: Black adults have worse health outcomes compared with white adults in certain
chronic diseases, including chronic obstructive pulmonary disease (COPD). Objectives: To …

Background: Preserved ratio impaired spirometry (PRISm) refers to decreased forced
expiratory volume in 1 s (FEV1) in the setting of preserved ratio. Little is known about the …

Importance Few studies have investigated the association of long-term ambient ozone
exposures with respiratory morbidity among individuals with a heavy smoking history …

Background The relationship between 25-hydroxyvitamin D (25-OH-vitamin D) and COPD
outcomes remains unclear. Using the Subpopulations and Intermediate Outcome Measures …

Background The role of airway impairment assessed by impulse oscillometry (IOS) in
patients with chronic obstructive pulmonary disease (COPD) remains unclear. Therefore …

Background Diesel exhaust (DE) is a major source of ultrafine particulate matters (PM) in
ambient air and contaminates many occupational settings. Airway remodeling assessed …

Introduction and aims Workplace exposures are widely known to cause specific
occupational diseases such as silicosis and asbestosis, but they also can contribute …

Background The diagnosis of constrictive bronchiolitis (CB) in previously deployed
individuals, and evaluation of respiratory symptoms more broadly, presents considerable …