After coronary angioplasty, quitting smoking with the help of e cigarettes reduces the risk of complications Prevention Observatory of the Montreal Heart Institute Vaping just a single e cigarette can damage blood vessels, study suggests The i Paper Vasoconstriction: What Is It, Causes, Signs, Symptoms, and More Osmosis Smoking affects the heart long before symptoms appear. Each cigarette delivers chemicals that enter the bloodstream within seconds, reaching the heart and blood vessels almost immediately. These substances damage the inner lining After coronary angioplasty, quitting smoking with the help of e cigarettes reduces the risk of complications Prevention Observatory of the Montreal Heart Institute