As soon as you quit smoking, body begins to repair itself. Typical benefits of quitting are as follows:
Within 6 hours:
- Heart rate slows and the blood pressure becomes more stable.
Within a day:
- Almost all of the nicotine is out of your bloodstream.
- The level of carbon monoxide in the blood has been dropped and the oxygen can be more easily will reach into the heart and muscles.
- Fingertips become warmer and the hands will be steadier.
Within a week:
- Sense of taste and smell may improve.
- After quitting smoking, lungs gets natural cleaning system that started to recover, for becoming better at removing mucus, tar and dust from lungs (exercise helps to clear out the lungs).
- Higher blood levels of protective antioxidants such as vitamin C.
Within 3 months:
- After 3 months coughing and wheezing is less.
- The immune system is beginning its recovery so the body will be better at fighting off infection.
- Blood will be less thick and sticky and blood flow into the hands and feet has improved.
Within 6 months:
- After 6 months they are less likely to be coughing up phlegm.
- After 6 months they likely to feel less stressed than when they were smoking in the past.
After 1 year:
- After 1 year lungs are now healthier and you will be breathing easier than if you’d kept smoking.
Within 2 to 5 years:
- There is a large drop in your risk of heart attack and stroke and this risk will continue to gradually decrease over time.
- For women, within five years, the risk of cervical cancer is the same as someone who has never smoked.
After 10 years:
- After 10 years the risk of lung cancer will be lower than that of a continuing smoker (provided the disease was not already present when you quit).
After 15 years:
- Risk of heart attack and stroke is close to that of a person who has never smoked.
- How fast and how well the body recovers and it depends on the number of cigarettes normally they smoke and how long they have been smoking, and also have a smoking-related disease.