What causes lung cancer? Experts introduce five causes of lung cancer

Lungs are very important to everyone and can help everyone breathe. However, if lung cancer occurs, the body will have a series of complications that threaten life. Many lung cancer patients ask doctors the most about why they got the disease. Once you know the cause, you will know how to prevent it. Now let's ask professionals to introduce the causes of lung cancer in detail!

Introduction to five important factors that cause lung cancer:

1. Human body internal factors

Family inheritance, reduced immune function, metabolic activity, and endocrine dysfunction are all causes of lung cancer.

2. Smoking

Long-term smoking can cause bronchial mucosal epithelial cell hyperplasia, which can induce squamous cell carcinoma or undifferentiated small cell carcinoma. Although non-smokers can also develop lung cancer, adenocarcinoma is more common.

3. Occupational factors

Long-term exposure to radioactive substances such as uranium and radium and their derivatives, carcinogenic hydrocarbons, arsenic, chromium, nickel, copper, tin, iron, coal tar, pitch, petroleum, asbestos, mustard gas and other substances can induce lung cancer, mainly squamous cell carcinoma and undifferentiated small cell carcinoma.

4. Chronic lung diseases such as tuberculosis, silicosis, and pneumoconiosis

It can coexist with lung cancer. The incidence of cancer in these cases is higher than that in normal people. In addition, chronic inflammation of the lung bronchi and pulmonary fibrosis and scar lesions may cause squamous metaplasia or hyperplasia during the healing process. On this basis, some cases can develop into cancer.

It can be seen that there are still many reasons for lung cancer, mainly the five above. After knowing these five causes of lung cancer, you must pay enough attention to them in your life and avoid these factors, so that the probability of lung cancer will be greatly reduced. In addition, if you have any questions about the treatment of lung cancer, you can click on the online expert below the article to ask.