Nicotine free e cigarettes can damage blood vessels Vaping: Not So Skin Safe? Effects on Ageing & Hydration Flavored e cigarettes modulate embryo development, fetal growth, and potentiate early fetal demise without nicotine Communications Medicine How Smoking Damages Blood Vessels and How They Recover Even nicotine free e cigarettes damage blood vessels Quitting smoking in favour of e cigarettes leads to rapid improvement in cardiovascular health Prevention Observatory of the Montreal Heart Institute