After coronary angioplasty, quitting smoking with the help of e cigarettes reduces the risk of complications Prevention Observatory of the Montreal Heart Institute How Smoking Damages Blood Vessels and How They Recover Heated tobacco and cigarettes cause the same gut and vascular damage, study finds 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 Vaping Damages Blood Vessels After Just One Use, New Study Says EcoWatch Vaping just a single e cigarette can damage blood vessels, study suggests The i Paper