Benefits of Quitting Smoking

Physical Benefits After Quitting Smoking

Time after last cigarette

Physical Response

20 minutes

Blood pressure and pulse rates return to normal.

8 hours

Levels of carbon monoxide and oxygen in the blood return to normal.

24 hours

Chance of heart attack begins to decreases.

48 hours

Nerve endings start to regrow; ability to taste and smell increases.

72 hours

Bronchial tubes relax; lung capacity increases.

2 weeks to 3 months

Improved circulation; lung function increases up to 30%.

1 to 9 months

Decreased incidence of coughing, sinus infection, fatigue, and shortness of breath; regrowth of cilia in the airways, increasing the ability to clear mucus and clean the lungs and reducing the chance of infection; overall energy level increases.

Long-Term Effects of Quitting

After a year, risk of dying from heart attack and stroke is reduced by up to half.