UNC Researchers Tackle the E cigarette or Vaping Product Useassociated Lung Injury (EVALI) Epidemic Newsroom Differential Toxicity of Electronic Cigarette Aerosols Generated from Different Generations of Devices In Vitro and In Vivo Environment & Health New medical research is raising concerns about possible links between vaping and bronchiolitis obliterans also known as popcorn lung, a rare and irreversible lung disease. Health experts say more long term Longitudinal Study Shows Vaping Is Not As Harmful As Smoking Science 2.0 Harvard study finds lung damaging toxins in popular e cigarette products PhillyVoice