Health effects and known pathology associated with the use of E cigarettes ScienceDirect Does Vaping Cause Lung Cancer? What We Know (and Still Don't) The dangers of vaping Baylor College of Medicine Blog Network Lung Damage From Vaping Resembles Chemical Burns, Report Says The New York Times Young users of electronic cigarettes exhibit reduced cardiorespiratory fitness Journal of Applied Physiology American Physiological Society Healthy Lung vs Smoker's Lung Avant Medical