What are some of the effects smoking can have on your heart
Smoking. Quitting smoking is the single best thing you can do for your heart health. If you're a smoker, stopping smoking is the single most important step you can take to protect the health of your heart. Smokers are almost twice as likely to have a heart attack compared with people who have never smoked.moking increases the risk of developing cardiovascular diseases, which includes coronary heart disease and stroke. 1  Smoking damages the lining of your arteries, leading to a build up of fatty material (atheroma) which narrows the artery. 2  This can cause angina, a heart attack or a stroke.