Health benefits of quitting
Giving up smoking has some immediate and long-term benefits for all tobacco users.
Blood pressure and heart rate drop.
Nicotine levels in the bloodstream fall to 6.25% of normal peak daily levels (a 93.25% drop).
Carbon monoxide levels drop to normal.
Oxygen levels in the bloodstream increase to normal.
Nicotine levels in the bloodstream are now gone.
48 to 72 hours
Nerve endings start growing again.
Sense of smell and taste begin to improve.
Alveoli (lung bronchial tubes leading to air sacs) begin to relax.
Breathing is easier and lungs are functioning better.
Entire body is 100% nicotine-free.
Over 90% of all nicotine metabolites (the chemicals it breaks down into) will have passed through the urine.
10 days to 2 weeks
Blood circulation in gums and teeth is now similar to nonsmokers.
2 to 4 weeks
Cessation related anger, anxiety, difficulty concentrating, impatience, insomnia, restlessness and depression end.
2 weeks to 3 months
Walking gets easier.
Lung function improves up to 30%.
Skin appearance improves as it loses the grayish pallor and becomes less wrinkled.
Chronic cough disappears.
Risk of heart attack falls.
1 to 9 months
Cilia (small hairs) grow back in lungs to better handle mucus, clean the lungs and reduce infection.
Coughing, sinus congestion, fatigue and shortness of breath decrease.
Colds, soar throats and headaches decrease.
Overall energy and concentration levels increase.
Risk of coronary heart disease is half that of a smoker.
Risk of premature death from heart attack decreases.
Risk of stroke becomes the same as nonsmokers.
Risk of death from lung cancer goes down by almost half for an average smoker (one pack per day).
Risk of cancer of the mouth, throat, oesophagus, bladder, kidney and pancreas goes down.
Risk of coronary heart disease equals that of nonsmokers