Heart Disease and Smoking
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Most people who smoke recognize the effects of long-time smoking on their lungs: chronic cough, shortness of breath, husky voice, and decreased ability to exercise. Long-term smokers are also at risk for developing lung diseases, such as emphysema and lung cancer. What isn't as obvious or as well known is that smoking also directly affects the heart, increasing the risk of coronary artery disease, heart attacks, and strokes. The good news is that after quitting smoking for only 1 year, the excess risk of heart disease caused by smoking drops by about half.
Evidence Based Practice 12(1).