Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals Study links chronic vaping to progressive lung damage Harvard Gazette Vaping & Lung Health: Comparing with Smoking How E Cigarettes Affect Your Lungs: Results of an Online Survey of Users E Cigarette Direct Lung Damage From Vaping Resembles Chemical Burns, Report Says The New York Times Does vaping cause lung cancer? UT MD Anderson