What causes lung cancer?

The causes of lung cancer are varied. It is not yet possible to talk about the cause of lung cancer. It is a specific reason, such as genetic factors. The key now is that we put forward these toxic gases caused by pollution, air pollution, smoking and indoor decoration. These fumes have caused damage to our respiratory tract, which may be a high risk factor for lung cancer and also related to some people's personalities. For example, this person is a dull person with some unpleasant things. If you are sulking and depressed, don't tell them, express some emotions. Patients with this personality are prone to lung cancer, so the incidence of other malignant tumors will also increase. This kind of patient is usually called cancer personality. These factors are some potential high-risk factors for lung cancer.