Is Vaping Worse Than Smoking? St. Vincent's Medical Center Evidence update on the cancer risk of vaping e cigarettes: A systematic review Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect 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