The general public, especially patients with upper or lower respiratory symptoms, is aware
from media reports that adverse respiratory effects can occur from air pollution. It is important …

BACKGROUND: There is growing public awareness regarding the risk associated with poor
indoor air quality in the home and workplace. Because Americans spend approximately 22 …

Ultrafine particles (UFPs) are airborne particulates of less than 100 nm in aerodynamic
diameter. Examples of UFPs are diesel exhaust particles, products of cooking, heating, and …

Rationale: E-cigarettes have become increasingly popular and little is known about their
potential adverse health effects. Objectives: To determine the effects of e-cigarette use on …

Background Chronic obstructive pulmonary disease (COPD) is characterized by chronic
bronchitic and emphysematous components. In one biophysical model, the concentration of …

Background Present treatment strategies to stratify exacerbation risk in patients with chronic
obstructive pulmonary disease (COPD) rely on a history of two or more events in the …

Background Increased concentrations of eosinophils in blood and sputum in chronic
obstructive pulmonary disease (COPD) have been associated with increased frequency of …

Rationale: E-cigarettes vaporize propylene glycol/vegetable glycerin (PG/VG), nicotine, and
flavorings. However, the long-term health effects of exposing lungs to vaped e-liquids are …

Rationale: Exposure to ozone causes a decrease in spirometric lung function and an
increase in airway inflammation in healthy young adults at concentrations as low as 0.08 …

Background We previously described the contributions of increased total airway mucin
concentrations to the pathogenesis and diagnosis of the chronic bronchitic component of …