Traditional Medicine Nature Chinese – There are to functions of lung, one is for distribution of oxygens into the blood stream when inhale, and two is to for disposing of carbon dioxide when exhale. Lung cancer is the most common cancer that often occured. Lung cancer that comes from spreading of other cancer is called secondary lung cancer. On this page, the kind of cancer that will be discussed is primary lung cancer, that is comes from the lung itself.

what is lung cancerLung cancer is one of the cancer that can be prevented. There are 80-90 percent lung cancer cases that are related with smoking habit. On the early phase, there are no clear signs and symptoms of lung cancer. But then, symptoms like continous coughing to coughing up blood, always feels like out of breath, irrational fatigue, and decreased body weight will appears.

Types of Lung Cancer

There are two types of primary lung cancer based on the kind of the cells. There are small-cell lung cancer (SCLC) and non-small-cell lung cancer (NSCLC). NSCLC have four times more chance to occur than SCLC.
SCLC usually affects heavy smoker and spread a lot more faster than NSCLC.

People with The Risk of Lung Cancer

Smoking can be the main cause of lung cancer. People that have the most risk getting lung cancer are active smokers. Around 80-90 percent lung cancer is linked with the smoking habit. Even so, not every smokers will get affected by lung cancer. Besides, non-smokers also have possibility of getting lung cancer, though the numbers are not as high.
Other than smoking, other cause of lung cancers are inhaling arsenic, radiations and air pollutions. Lung cancer also more common on the elderly people.

What is Lung Cancer? (Definition and Explanation)

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