Quitting tobacco at any point in life provides both immediate benefits and substantial long-term benefits.
Withing 20 minutes of the last cigarette:
Blood pressure drops to normal.
Pulse rate drops to normal rate.
Body temperature of hands and feet increases to normal.
After 8 hours:
Carbon monoxide level in blood drops to normal.Oxygen level in blood increases to normal.
After 24 hours:
Chances of heart attack decreases.
After 48 hours:
Nerve endings begin to replace. Ability to smell and taste is enhanced.
After 72 hours: Bronchial tubes relax, making breathing easier.
After 2 weeks to 3 months:
Circulation improves.Walking becomes easier.Lung function increases up to 30 percent.
After 1 to 9 months:
Coughing, sinus congestion, fatigue and shortness of breath decreases.
Cilia begins to re-grow in lungs, increasing your ability to handle mucus, clean the lungs and reduce infection.
The body's overall energy level increases.
After 5 years:
Lung cancer death rate for average smoker (one pack a day) decreases from 137 per 100,000.
After 10 years:
Pre-cancerous cells are replaced.
Other cancers, such as those of the mouth, larynx, esophagus, bladder, kidney and pancreas, decrease (there are 30 cancer-causing chemicals in tobacco smoke).
Lung cancer death rate drops to 12 deaths per 100,000almost the rate of non-smokers.
(Source: Debora J. Orrick, M.A., LCDC, CTAC-ACP Tom Ferguson, M.D.)