Heart rate drops.
The carbon monoxide level in your blood drops to normal.
Heart attack risk begins to drop. Lung function begins to improve.
Coughing and shortness of breath decrease.
Added risk of coronary heart disease is half that of a smoker's.
Stroke risk is reduced to that of a nonsmoker’s.
Lung cancer death rate is about half that of a smoker’s. Related cancer risks decrease.
Risk of coronary heart disease is back to that of a nonsmoker’s.