E cigarette Characteristics, Safety Issues, & Regulation Britannica Is lung inflammation worse in e cigarette users than smokers, as a new study suggests? Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax Chronic airway inflammatory diseases and e cigarette use: a review of health risks and mechanisms European Journal of Medical Research Springer Nature Link Emerging medical research continues to examine the respiratory risks associated with flavored e cigarettes, including concerns about bronchiolitis obliteransoften referred to as popcorn lung. The condition involves inflammation and scarring of the