What are the respiratory effects of e cigarettes? The BMJ This lung damage from e cigarettes is permanent and entirely preventable. Flavored e cigarettes, often marketed with candy like appeal, may be far more dangerous than they seem. A recent case involving a U.S. Considerations on dosimetry for in vitro assessment of e cigarette toxicity Respiratory Research Springer Nature Link The Impact of Smoking and Vaping on Respiratory Health Blog What We DO and DON'T Know About Vaping