Is lung cancer contagious and hereditary? How to prevent hereditary lung cancer?

Lung cancer is generally not contagious because cancer cells are difficult to survive outside the body, but lung cancer has a certain family genetic tendency. If someone in the family has had lung cancer, the chance of the next generation getting lung cancer is greatly increased. It is recommended to quit smoking in time and stay away from secondhand smoke. In addition, you should go to the hospital for regular physical examinations, mainly chest CT examinations, which can greatly reduce the chance of inheriting lung cancer.

The lungs are very important organs in the body, but for some people who smoke frequently, the stimulation of smoke can cause great damage to the lungs. Over time, it may also lead to lung diseases, the most serious of which is lung cancer. After suffering from lung cancer, timely treatment measures need to be taken, otherwise it will cause great harm to the body and even endanger life. Some people worry that lung cancer is contagious and hereditary. So is lung cancer contagious and hereditary?
1. Is lung cancer contagious? Lung cancer is generally not contagious. In order to be contagious, three conditions must be met: the source of infection, the route of transmission, and the susceptible population. All three conditions are indispensable. If any one of them is missing, the infection will not occur. So from the perspective of lung cancer, lung cancer cases are not a source of infection. Cancer cells can be coughed out through sputum, but it is difficult to survive outside the body, and the survival rate is very low. According to research, cancer cells will die quickly outside the body, so they cannot be transmitted and are not contagious.
2. Is lung cancer hereditary? Lung cancer develops slowly and is a very complex process. There are many factors that can lead to lung cancer, including the interaction of autologous factors and environmental factors, and the entire development process is regulated by many factors. Lung cancer has a genetic tendency, but it is not a genetic disease. If someone in the family has lung cancer, there is a certain chance that it will be passed on to the next generation. It is recommended to take preventive measures as soon as possible and avoid bad living habits, so as to achieve the purpose of preventing and treating lung cancer.
3. How to prevent hereditary lung cancer
1. Quit smoking <br/>Most lung cancers are caused by long-term smoking, so smoking is also considered the most important risk factor for lung cancer. If someone in your family has lung cancer, in order to reduce hereditary risk, it is recommended to quit smoking in time and stay away from secondhand smoke, which can greatly reduce the incidence of lung cancer.
2. Regular physical examination <br/>For hereditary lung cancer, first of all, you should go to the hospital for regular physical examinations when you are relatively young, mainly for chest CT examinations, so that you can diagnose whether you have lung disease or lung cancer at an early stage. At the same time, you should also participate in appropriate sports, which can strengthen your body, develop good living habits, and keep abreast of your physical condition.