E cigarettes and health: the jury is still out Harvard Health e Cigarettes, Vaping and the Risks of Severe Lung Disease Canyonlands Healthcare It's true that e cigarettes don't have as many chemicals as traditional tobacco products, but that doesn't mean they're safe. Franciscan Health pulmonologist Dr. Faisal Khan breaks down the facts on vaping and What Is In The Vapour Produced By E Cigarettes? SMOKO E Cigarettes