What are the causes of lung cancer

Lung cancer is extremely harmful to humans. There are many causes of lung cancer. Do you know what the causes of lung cancer are? Regarding the question of what the causes of lung cancer are, let our experts explain to you what the causes of lung cancer are.

Causes of lung cancer:

1. Chronic lung diseases : pulmonary tuberculosis, chronic bronchitis.

2. Smoking : Lung cancer is closely related to smoking, especially cigarette smoking. About 3/4 of lung cancer is caused by smoking. The lung cancer mortality rate of smokers is 10 to 13 times higher than that of non-smokers.

3. Physical and chemical carcinogenic factors : Currently, the factors that are generally recognized as carcinogenic include inorganic arsenic, asbestos, chromium, nickel, coal tar, soot and other coal combustion products, as well as dichloromethyl ether and chloromethyl methyl ether.

4. The occurrence, evolution and malignancy of lung cancer are closely related to the activation of certain oncogenes and the loss of anti-cancer genes.

5. Air pollution.

I believe that after reading the above explanation, you will have a certain understanding of the causes of lung cancer! I hope the above explanation can be helpful to you! If you still have any questions, you can directly consult our online experts or call us to find out. The experts will give you detailed answers.

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