Within 20 minutes of quitting: |
Heart rate and blood pressure drop. |
By 12 hours: |
Carbon monoxide level in the blood stream drops to normal. |
Within three months: |
Circulation and lung function improves. |
After nine months: |
Less coughing and easier breathing. |
One year: |
Risk of coronary heart disease is cut in half. |
Five years: |
Risk of mouth, throat, esophagus and bladder cancer are cut in half. |
10 years: |
Half as likely to die from lung cancer. |
15 years: |
The risk of coronary heart disease is the same as a non-smoker's risk. |