Lung cancer is the uncontrolled growth of abnormal cells that start in the lungs. Usually, this cancer starts in the cells that line the air passages. And the most prominent cause of lung cancer is smoking cigarettes. Other than this, various studies have shown other reasons associated with lung cancer.
Passive Smoking
It means the inhalation of secondhand tobacco smoke from other smokers sharing living or working around you. This is a known risk factor for getting lung cancer.
Radon Gas
It is a natural decay product of uranium. It decays to form products that give out a type of ionizing radiation.
Familial Predisposition
Lung cancers are associated with tobacco smoking but not all smokers eventually develop lung cancer. Family genetic susceptibility may play a role.
Lung Disease
Certain lung diseases like chronic obstructive pulmonary disease (COPD), is associated with a slightly increased risk.
Air Pollution
Air pollution might not do damage immediately but yes it can surely do the damage year ahead.
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