What are the causes of lung cancer?

Lung cancer is a malignant tumor with a high mortality rate. Many patients suffer from worsening of their condition due to lack of timely treatment. So what are the causes of lung cancer ? The following is a detailed answer from relevant experts.

1. Smoking According to the results of many domestic and foreign surveys, it is now recognized that smoking is an important factor causing lung cancer. Cigarettes contain a variety of carcinogens such as benzophenone, nitrosamines, etc. Studies have found that smoking is closely related to squamous cell carcinoma. This is one of the causes of lung cancer.

2. Air pollution

Air pollution is an important factor causing lung cancer. The main ones include 3,4-benzopyrene, sulfur dioxide, nitrogen oxides and carbon monoxide. Data show that using coal indoors and being exposed to coal smoke or its incomplete combustion products are risk factors for lung cancer. Air pollution includes indoor micro-environment pollution and outdoor macro-environment pollution, as well as carcinogens that may be produced during indoor passive smoking, fuel combustion and cooking.

3. Occupational factors

Occupational factors that have been confirmed to cause lung cancer in various occupations include asbestos, radon and radon progeny, dichloromethyl ether, chromium and certain compounds, nickel smelting, inorganic arsenic compounds, mustard, soot, tar and polycyclic aromatic hydrocarbons in petroleum, vinyl chloride, heating products of tobacco, etc. This is also a cause of lung cancer.

The above is an introduction to the causes of lung cancer. I believe everyone should have a certain understanding of lung cancer. If you want to know more about lung cancer, please consult online experts.