Respiratory system

It is these deposits which cigarette form crab louseous cells. The constant heat and abrasion from cigarette fumigate can alike cause mouth and throat cancers. There is a great deal of research to support not merely the fact that take is the principal cause of lung cancer, but similarly that it contributes to the development of respiratory disease in those non-smokers who experience smoking environments a great deal of the time. the next section go forth discuss research that links smoking to lung cancer, a exceedingly preventable form of cancer that n adepttheless remains one of the most commonly occurring cancers. The sole reason that this remains the lineament is because of the high numbers of people who still choose to smoke despite research that definitely links smoking with a significantly higher risk of develop lung cancer.

Lung cancer is the oneness largest cause of cancer deaths in the United States, "About 178,000 revolutionary cases will be diagnosed this year, and there will be an estimated 160,000 deaths" (US HHS 1). What is dry more or less lung cancer death statistics is that all of the deaths are caused in the main from individuals who smoke, or are subjected to second hand smoke brainchild. early(a) than a small percentage of those deaths being attributable to the inhalation of radon gas, all of the deaths from lung cancer are traceable to smoking. tobacco use is definitely the major cause of lung

Research has shown that a single gene that whitethorn be responsible for protecting some people from developing the disease even when they are heavy smokers. The gene contains study that produces an enzyme called glutathion S-transferase. It is already known that the body contains chemicals that can affect our level of susceptibility to developing lung cancer.

The gene provides individuals with different degrees of detoxifying capacity and also adds to the body's resistance level in preventing tumor growth, "The gene provides a defense against carcinogens from tobacco smoke and those that occur naturally, and the find opens the curtain raising of ways to boost natural defenses against tumors?The gene, which is found on the lung, exists in different forms with different detoxifying abilities. Therefore some individuals were likely to be more resistant to cancer than others" (Highfield 1). This provides one possible account as to why some heavy smokers develop lung cancer and why others never do.

Highfield, R. Single gene may confuse the key to lung cancer. The Daily Telegraph. April 28, 1998, pp. 1-2.

What is even more disturbing about cigarette smoking is that it has also been proven to cause lung cancer in individuals who inhale the smoke second-hand. The smoke from cigarettes of smokers has been linked as a cause of lung cancer in those who do not smoke, raising their chances of developing the disease by 25 percent, "Passi
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