People who smoke for a long time are most afraid of these 3 symptoms! If there is, it may be not far from lung cancer
Mr. Zhang, 56 years old this year, is an old smoker with more than 30 years of smoking experience. A month ago, he developed symptoms such as cough, chest tightness and shortness of breath. He originally thought it was just a common cold and other symptoms, but after more than half a month It didn't get better, but the symptoms got worse.
Afterwards, accompanied by his family, he went to the hospital for treatment. When he checked it out, it turned out to be an advanced stage of lung cancer. The news made him feel relieved.
1. How does smoking damage the lungs?
Tobacco smoke contains a variety of harmful substances such as tar, benzopyrene, and nicotine. These substances enter the human body and deposit on the alveoli, which may stimulate the cells of the respiratory tract to become cancerous, which may cause the alveolar membrane to thicken and darken, and even induce lung cancer.
According to statistics, 80% of lung cancers are related to smoking , and the lungs can be divided into three grades from normal to black.
The first level is a lung that is completely black like charcoal; the second level is a relatively good level of black mesh lung, which is not elastic, like cinders; the third level is like a lung sprinkled with black sesame seeds, elastic, But it feels grainy to the touch.
2. There are 3 symptoms of long-term smoking, or the arrival of lung cancer
Smoking is one of the high-risk factors for lung cancer. Once the following symptoms occur, people who smoke for a long time must be vigilant, and be careful as the signal of the advent of lung cancer.
1. Prolonged cough
Cough is one of the common symptoms of lung cancer, especially the phenomenon of persistent cough. It is necessary to be more vigilant, such as irritating dry cough, choking cough, accompanied by symptoms such as chest tightness and shortness of breath, and more attention should be paid.
2. Coughing up blood
In the early and middle stages of lung cancer, due to the abundant blood vessels on the surface of the tumor, the surface will be damaged, causing symptoms such as blood vessel rupture, so symptoms such as hemoptysis may occur.
3. Fever
Lung cancer can also cause unexplained fever symptoms, which can recur even after anti-inflammatory treatment.
3. Can the lungs return to normal after quitting smoking?
Many smokers are curious, can the lungs return to normal after quitting smoking? In fact, whether the lungs can return to normal after quitting smoking is related to factors such as smoking age, total number of smoking, and personal lung function .
It is entirely possible for young people to quit smoking and combine exercise to return to normal.
However, if it is a person who has smoked for a long time and has a smoking index of more than 400 (smoking index = number of smoking per day * number of years of smoking), then there may be obvious lesions in the lungs, such as emphysema, bullae, etc. Normal is not possible.
It’s just that quitting smoking can protect the lungs from further damage , so quitting smoking early can also benefit early.
As for whether the lungs can return to normal after quitting smoking, it depends on the age of smoking, the number of cigarettes smoked and their own lung function. Some people can return to normal after quitting smoking, while others cannot, but no matter what kind of person, quit smoking early. benefit early.
References:
[1] How are smokers' lungs "blackened"? After reading it, quickly pinch out the cigarette in your hand. Life Times. 2019-11-21
[2] If these 4 signs appear after smoking, maybe lung cancer has been eyeing you. Talk about health. 2020-11-20
[3] If you don't listen to quit smoking, let's take a look at the lungs of smokers. It's not generally black. The key is the consequences. Respiratory doctor Hu Yang. 2019-09
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