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. Harvard study finds lung damaging toxins in popular e cigarette products PhillyVoice Do alternative tobacco products induce less adverse respiratory risk than cigarettes? Respiratory Research Springer Nature Link A woman has developed rare form of lung metal scarring from vaping