Impact of vaping on respiratory health The BMJ A systematic review of the effects of e cigarette use on lung function npj Primary Care Respiratory Medicine E Cigarette or Vaping Associated Lung Injury New England Journal of Medicine The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association Mode d'emploi Kit iStick Pico Eleaf Compromised blood vessel function caused by cigarettes and e cigarettes is mediated by lung irritation Stanton Glantz blog