Lung cancer has become more and more common in recent years due to various environmental pollution. In fact, if we want to treat lung cancer, it is important to understand the cause of the disease. This is the basis for us to treat it from the root. Here are some of the causes of lung cancer. A large amount of medical research has shown that the pathogenic factors of lung cancer are inseparable from the following points. Smoking is the main and common factor leading to lung cancer. Long-term smoking can cause proliferation and squamous metaplasia of bronchial mucosal epithelial cells, inducing squamous cell carcinoma or undifferentiated small cell carcinoma. Although non-smokers can also develop lung cancer, adenocarcinoma is more common. Chronic lung disease is also one of the reasons: patients tend to ignore it at the beginning and often buy some symptomatic medicine. This is not good. It is not conducive to the stability of the condition and often aggravates the condition to a certain extent. The incidence of cancer in these cases is higher than that of normal people. In addition, chronic inflammation of the lungs and bronchi and pulmonary fibrosis and scar lesions may cause squamous metaplasia or hyperplasia during the healing process. On this basis, some cases may develop into cancer. Pollution by radioactive elements is also one of the causes of the disease: long-term exposure to radioactive substances such as uranium and radium and their derivatives, carcinogenic hydrocarbons, arsenic, chromium, nickel, copper, tin, iron, coal tar, asphalt, petroleum, asbestos, mustard gas and other substances can induce lung cancer, mainly squamous cell carcinoma and undifferentiated small cell carcinoma. |
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