8 hours ... Carbon monoxide level in the blood drops to normal.

24 hours ... Chance of heart attack decreases.

2 weeks to 3 months ... Circulation improves. Lung function increases up to 30%.

1 year ... Chance of heart attack is cut in half.

5 years ... Stroke risk is reduced to levels of a non-smoker.

10 years ... Risk of dying from lung cancer is about half of a current smoker.

Additional Resources:

• Quit Smoking Resources (PDF 44 KB)