Smoking is one of the major risk factors for heart diseases. Consumption of nicotine constricts blood vessels, forcing the heart to work harder. Carbon monoxide reduces oxygen in blood and inflicts damage to the lining of blood vessels.
Smoking is one of the major risk factors for heart diseases. Consumption of nicotine constricts blood vessels, forcing the heart to work harder. Carbon monoxide reduces oxygen in blood and inflicts damage to the lining of blood vessels.