|
Time since quitting
|
Beneficial
health changes that take place
|
|
20 minutes |
Blood pressure and pulse rate return to normal. |
|
8 hours |
Oxygen
levels return to normal.
Carbon monoxide levels in blood drop to normal. |
|
24 hours |
Lungs start to clear out mucus and other smoking debris.
Chance of heart attack decreases. |
|
48 hours |
Nerve endings start regrowing.
Ability to taste and smell is greatly improved. |
|
72 hours |
Breathing becomes easier.
Bronchial tubes begin to relax and energy levels increase. |
|
2 - 12 weeks |
Circulation improves. Walking becomes easier. |
|
3 - 9 months |
Coughs, wheezing, and breathing problems improve as lung function
increases up to 30%. |
|
1 year |
Risk of a heart attack falls to about half that of a smoker. |
|
10 years |
Risk of lung cancer falls to that of a non-smoker. |
|
15 years |
Risk of heart attack falls to the same as someone who has never smoked. |