When smokers quit...
Within 20 minutes..your heart rate goes down.
Within 3 months..your circulation and lung function improves.
Within 9 months..you start to breathe easier and cough less.
Within 12 months..the carbon monoxide level in your blood drops to normal.
After 1 year.. your coronary heart disease risk is cut in half.
After 5 years..your risk of cancer of the mouth, throat and bladder is cut in half.
After 10 years..your risk of dying from lung cancer is cut in half.
After 15 years..the risk of coronary heart disease is the same as a non-smokers.