According to the Centers of Disease Control , the benefit timeline shows when the benefits of stopping smoking will come through after your final cigarette. 20 minutes after giving up, your blood pressure and your pulse rate return to normal.
8 hours after giving up, the carbon monoxide levels in your blood are halved.
24 hours after giving up, carbon monoxide is eliminated from your body.
48 hours after giving up, Nicotine is eliminated from your body.
2-21 weeks after giving up, circulation improves.
After 1 year, your risk of a heart attack falls to about half that of a smoker.
After 10 years
Your risk of lung cancer falls to about half that of a smoker
After 15 years, your risk of a heart attack is the same as someone who has never smoked.