Chemicals in cigarette smoke results in swelling and inflaming the blood vessel lining cells which leads to many cardiovascular conditions.[Source: cdc.gov]
Smoking increases your heart rate and exerts extra pressure on your heart.[Source: JohnsHopkinsMedicine]
The chemicals in cigarettes narrow your blood vessels, making it harder for blood to flow and increasing the risk of heart disease.[Source: JohnsHopkinsMedicine]
Smoking increases your blood pressure, exerting stress on your heart and increasing the risk of heart disease.[Source: JohnsHopkinsMedicine]
Smoking decreases the amount of oxygen in your bloodstream, making it harder for your heart to pump blood. [Source: JohnsHopkinsMedicine]
Smoking causes inflammation in the body, which is a major factor in heart disease.
Smoking decreases the levels of good cholesterol (HDL) by removing cholesterol from the arterial walls, making it harder to keep your heart healthy.[Source: https://www.heartuk.org.uk]
Smoking decreases physical fitness, increasing the risk of heart disease.
Smoking elevates the risk of blood clots, which might lead to a heart attack or stroke.