Benefits of Quitting
As soon as you quit, your body begins to repair the damage caused by smoking and continues to repair itself for many years.
Health Benefits Include:
20 Minutes After Quitting:
- Your heart rate drops to a normal level.
12 to 24 Hours After Quitting:
- The carbon monoxide level in your blood drops to normal.
- The risk of heart attack is significantly reduced
2 Weeks to 3 Months After Quitting:
- Your risk of having a heart attack begins to drop.
- Your lung function begins to improve.
1 to 9 Months After Quitting:
- Your coughing and shortness of breath decrease.
1 Year After Quitting:
- Your added risk of coronary heart disease is half that of a smoker's.
5 to 15 Years After Quitting:
- Your risk of having a stroke is reduced to that of a nonsmoker's.
- Your risk of getting cancer of the mouth, throat, or esophagus is half that of a smoker's.
10 Years After Quitting:
- Your risk of dying from lung cancer is about half that of a smoker's.
- Your risk of getting bladder cancer is half that of a smoker's.
- Your risk of getting cervical cancer or cancer of the larynx, kidney or pancreas decreases.
15 Years After Quitting:
- Your risk of coronary heart disease is the same as that of a nonsmoker.
Source: U.S. Department of Health and Human Services. The Health Consequences of Smoking: A Report of the Surgeon General. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2004.
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Reviewed and approved by the American Lung Association Scientific and Medical Editorial Review Panel. Last reviewed February 25, 2019.
Page Last Updated: July 12, 2019