Lung Cancer Essay Examples - Free Research Papers on.

Lung Cancer Risks and Causes. To a large extent, the biggest cause of lung cancer is smoking. Smoking causes over 8 out of ten lung cancer cases including a tiny fraction caused due to being exposed to second hand smoke for the non-smokers (passive smoking).

The link between smoking and cancer is very clear. It causes at least 15 different types of cancer. Smoking causes around 7 in 10 lung cancer cases in the UK, which is also the most common cause of cancer death. It causes other cancers including mouth, pharynx (upper throat), nose and sinuses, larynx (voice box), oesophagus (food pipe), liver.

Causes of Lung Cancer The core root of lung cancer is due to smoking, either from passive smoking, or from secondhand smoking. Since tobacco contains over 4,000 chemicals, it has been proven from previous studies that tobacco is a carcinogen.

It is caused by cancerous epithelium of the respiratory tract. Lung Cancer is divided into two sections: non-small cell and small cell. Those in the non-small cell group consist of squamous cell carcinoma, adenocarcinoma, and large cell carcinoma. The squamous cell carcinomas usually are located in the hila.

If the cancer starts in your lung, it’s called primary lung cancer. If it starts in another part of your body and spreads to affect your lung, it’s called secondary lung cancer. The lung is a relatively common site for other cancers to spread to. The management and prognosis of secondary lung cancer is different to that of primary lung cancer.

Cigarette smoking is the main cause of lung cancer. But pipe and cigar smokers are still much more likely to get lung cancer than non smokers. They are also much more likely to get cancer of the mouth or lip. In the past, lung cancer has always been more common in men than women.

Lung cancer is the most common cancer in the world with over 46,000 people are diagnosed with in the UK every year. There are many different causes of lung cancer. People in certain occupations have a higher risk of developing lung cancer. Smoking is the leading cause of lung cancer. This means smokers and ex-smokers have an increased risk of.

Lung cancer is the third most common form of cancer in the U.K., with more than 45,000 new cases diagnosed every year. Lung cancer is by far the most common cause of cancer deaths in both men and.

Diesel exhaust was classified as a cause of lung cancer by the International Agency for Research on Cancer (IARC) in June 2012, following a review of evidence mainly from highly-exposed workers. IARC cited a study of diesel exhaust exposure in miners, which showed risk of lung cancer was increased approximately three times in those most heavily exposed.

Lung cancer mainly affects older people. It's rare in people younger than 40. More than 4 out of 10 people diagnosed with lung cancer in the UK are aged 75 and older. Although people who have never smoked can develop lung cancer, smoking is the most common cause (accounting for about 72% of cases). This is because smoking involves regularly.

Radon is the second-leading cause of lung cancer in the United States, according to the CDC. Asbestos When the material is disturbed, small fibers become airborne and can be inhaled.

We don’t know what causes each case of lung cancer. But we do know many of the risk factors for these cancers (see Lung Cancer Risk Factors) and how some of them cause cells to become cancer. Smoking. Smoking tobacco is by far the leading cause of lung cancer. About 80% of lung cancer deaths are caused by smoking, and many others are caused by exposure to secondhand smoke.