Within 20 minutes
Blood pressure, pulse and temperature of hands and feet return to normal.
Within 8 hours
Carbon monoxide level in blood drops to normal.
Oxygen level in blood increases to normal.
Within 24 hours
Chance of heart attack decreases.
Within 48 hours
Sense of taste and smell start to return to normal.
Within 2 weeks to 3 months
Lung function increases up to 30%.
Within 1 to 9 months
Coughing, sinus congestion, fatigue and shortness of breath decrease.
Energy level increases
Within 1 year
Risk of coronary disease drops to half of that of a smoker.
Within 5 years
Death rate due to lung cancer decreases by almost one half.
Risk of stroke is reduced to that of a non-smoker within 5-15 years.
Within 10 years
Chance of lung cancer death is similar to that of a non-smoker.
Less risk of cancer of mouth, throat, bladder, kidney and pancreas.
Within 15 years
Risk of coronary heart disease is that of a non-smoker.