Within 20 minutes of your last cigarette: your blood pressure drops to normal.
After 8 hours: the oxygen level in your blood returns to normal. After 24 hours: your chance of heart attack decreases.
After 48 hours: your ability to smell and taste is enhanced.
After 72 hours: Your lung capacity increases.
After 1 to 9 months: Your body’s energy level increases.
After 5 years: Heart disease death rate drops same rate for nonsmokers.
Source: Sea Mar Community Health Center, WA DOH