After quitting smoking, can the person’s lung return to normal?

Smoking is harmful to health. This is common sense. No one does not know that every cigarette box is also marked with signs that smoking is harmful to health. Our smokers are indifferent to this and still smoke every day, unknowingly, our lungs. Darkened, some changes have taken place in the heart and brain blood vessels and in the skin and teeth.

If you still want to live a healthy life, quitting smoking is a must. Some smokers have doubts. After quitting smoking, can people’s lungs return to normal? The answer is yes. As long as you can make a decision to quit smoking, your lungs will slowly recover from dark lungs to normal lungs, but it is also necessary to understand the long-term effects of long-term smoking. Eliminated. This requires a process that cannot be overemphasized.


The process of lung function recovery is roughly like this. As soon as we let go of the smoke, our body will begin to repair itself:

  • After quitting smoking for 1 hour, the nicotine content in your blood drops to 50% and you begin to feel a bit uncomfortable. But because you no longer ingest carbon monoxide into the bloodstream, your blood oxygen slowly begins to recover.
  • After quitting smoking for 3 hours, the nicotine in the blood drops to 15%, and it feels like something important has disappeared. Blood oxygen was restored to a very high level and the hands and feet returned to normal temperatures.
  • Eight hours after you quit smoking, nicotine completely disappears. The symptoms of quitting smoking are already obvious. You will become very anxious and become restless. Oxygen returned to normal levels and the carbon monoxide content was reduced to half.
  • 1 day of smoking cessation, insomnia or drowsiness, restlessness, dizziness, general malaise, and other symptoms, but the benefits of smoking cessation also showed up, the heart and respiratory system obviously feel the change, bad breath problems have also been greatly improved.
  • 2 days of smoking cessation, long-term symptoms of withdrawal, irritability, anxiety, irritability and other negative emotions appear. Taste and smell began to recover.
  • After 3 days of smoking cessation, the cirrhosis of the lungs was greatly repaired, and detoxification began with coughing, and the cough was exacerbated with black pimple. Getting up in the morning has become easier and energy has been restored.
  • After one week of smoking cessation, the most difficult days were over. From then on, withdrawal symptoms began to gradually ease until they disappeared. Obviously felt more relaxed breathing, the mental state as a whole has been improved.
  • After quitting smoking for 3 weeks, the symptoms of smoking cessation completely disappeared, the sense of taste and smell recovered, the cough was relieved, and the shortness of breath disappeared. However, seeing others smoking still has the urge to smoke. A nightmare will come at night, dreaming of smoking and being awakened.
  • After quitting smoking for 3 months, you will no longer be unable to control yourself in the face of cigarettes. The respiratory system, the cardiovascular system, and the brain system have all been greatly improved. They have begun to suffer from the smell of smoke and smelled of cigarette smoke can feel very disgusting.
  • One year after quitting smoking, the smoke has been completely removed from your life. No one reminds you that you completely forgot the fact that you were a smoker. Both the body and mindset have undergone tremendous changes. Drowsy, passive pessimism at the time of smoking has been superseded by energy, clear thinking, and positive optimism.
  • After 10 years of quitting smoking, the risk of lung cancer is half that of normal people. Other risks such as esophageal cancer, laryngeal cancer, oral cancer, and pancreatic cancer will all decrease.
  • After quitting smoking for 15 years, the risk of coronary heart disease is similar to that of never-smokers.

There is a statistical data of 200,000 people. The data shows that the life expectancy of people who smoke is shorter than that of non-smokers by 10 years, and before quitting smoking before 35 years old, life expectancy will not be affected; at 55, smoking cessation will only last 6 years. So, for the good life of you and your family, start now, quit smoking!

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Tobacco-Free Life

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