Smoking and Vaping National Institute of Environmental Health Sciences Que faire quand ma cigarette lectronique projette du e liquide ? Quand et o jeter un e liquide ou une cigarette lectronique ? Recyclage et conseils Flavored e cigarettes are causing permanent lung damage. E cigarettes heat liquid chemicals into an aerosol designed to be inhaled deeply. That delivery method matters. Like a medical nebulizer, vaping efficiently carries substances straight About E Cigarettes (Vapes) Smoking and Tobacco Use CDC