Heated tobacco and cigarettes cause the same gut and vascular damage, study finds Vasoconstriction: What Is It, Causes, Signs, Symptoms, and More Osmosis Vaping Damages Blood Vessels After Just One Use, New Study Says EcoWatch 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 Lagos E. Cardiovascular Centre Did you know quitting smoking can cut your risk of heart disease by nearly half? Scientific research shows that within five years of Instagram After coronary angioplasty, quitting smoking with the help of e cigarettes reduces the risk of complications Prevention Observatory of the Montreal Heart Institute