The 3 lifestyles to prevent lung cancer are as follows: 1. Smokers please quit smoking immediately. 8 hours after quitting smoking, the oxygen content in the blood can reach the level when not smoking, while the content of carbon monoxide in the body is reduced to half, and the residual carbon monoxide in the body disappears after 24 hours. Three months later, the respiratory function was improved, and the efficiency of the lungs increased by 10%. 2, on the “fumes” to remain vigilant Be sure to keep the kitchen ventilation, ignition while opening the hood; do not turn off the hood as soon as you finish frying, at least 3 to 5 minutes; cooking do not wait for the frying pan smoke, less frying cooking method; living room and bedroom to be separated from the kitchen, to avoid pollution of the kitchen air into other living rooms. 3.Increase the intake of vegetables and fruits in food Especially more food rich in carotene, vitamin C, vitamin E, folic acid, trace elements of selenium, etc., can reduce the incidence of lung cancer. Vitamin A can maintain the integrity of cell membrane, normal metabolism of epithelial tissue and block the process of cell carcinogenesis, and can be consciously consumed more, with the most content in animal liver such as lamb liver and chicken liver.