Risk Factors For Lung Cancer

Lung cancer occurs when lung cells lose their functionality and start to grow as they should not.New cells form as body does not need them.There are various risk factors of lung cancer.The people who are with one or more risk factors listed below are more likely to develop lung cancer.

1-Tobacco smoke
2-Radon
3-Asbestos
4-Air Pollution
5-Whether family members have a history of lung cancer
6-Age(above 65)

Researches have shown that having certain lung diseases such as tuberculosis or bronchitis for many years may increase the risk of lung cancer.However it is not yet clear whether having certain lung diseases is a risk factor for lung cancer