Causes and Risk factors of Lung Cancer

Lung cancer is one of killer disease that most common cause by smoking (87%), Exposure to other carcinogens such as asbestos and radon gas. Lung cancer cases in United States and United Kingdom are yearly increase in the large number and most of patients has smoking history.


The other risk factors to develop of lung cancer cases are air pollution, other lung diseases, diet, personal and family history. Radiation Therapy, especially on the chest area its possible as risk factor for developing lung cancer.

Lung Cancer Caused by Tobacco Smoking

Smoking tobacco is the first number of risk factor which responsible for lung cancer cases. The chance that a smoker will develop lung cancer is affected by many crietaria bellow:

1. How young the smoker was when he started smoking
2. How long the person has smoked
3. How many of cigarettes are smoked per day.

In most people, lung cancer is related to cigarette smoking. Environmental tobacco smoke (ETS) or passive smoking also as risk factor to increase the number of lung cancer disease. The smoke in the air when someone else smokes, has been accepted as a cause of lung cancer since the Surgeon General's report of 1986.

Lung Cancer Caused by Asbestos Exposure

Exposure to the asbestos as a fiber that found in industrial materials is a big risk factor for lung cancer. Asbestos is a unique cause of lung cancer Asbestos, worker are 7 time more likely to develop and die from lung cancer. Asbestos Exposure is the second biggest cause of lung cancer after smoking. Lung cancer that caused by exposure to the asbestos material known as Asbestos Cancer or Mesothelioma. More about Mesothelioma information here "Mesothelioma Full Articles".

Lung Cancer Caused by Air Pollution

In the many of modern countries, especially an area with crowd population and transportation has high risk for increase of air pollution. According to the American Cancer Society, air pollution increases the risk for lung cancer cases event this risk is far less than smoking.

Lung Cancer Caused by Other Lung Disease

Tuberculosis and other lung diseases such as Pneumonia can leave scarring on the lungs. Lung cancer tends to develop in areas that are injured or scarred from lung diseases, specifically adenocarcinoma.