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Cause Of Lung Cancer

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Cigarette Smoking

Cigarette smoking is probably the most closely related link to developing lung cancer. A person who smokes two packs or more of cigarettes per day has a one in seven chance of developing lung cancer. Those that smoke one pack of cigarettes per day have a twenty-five times greater chance of developing lung cancer than a non-smoker. In addition, those people that smoke a pipe or cigar have a five times greater chance of developing lung cancer than a non-smoker.

The risk of developing lung cancer increases with the number of cigarettes smoked over your lifetime. Cigarette smoking damages the cells in your lungs. The moment you stop smoking, your lungs begin healing themselves, replacing damaged cells with healthy, normal cells. Your risk of developing lung cancer begins decreasing almost immediately when you quit smoking. Every year that you do not smoke, your chances of developing lung cancer drop further. By the fifteenth year, your chances of developing lung cancer are about the same as those of a person who has never smoked.

Secondhand Smoke

Also known as passive smoking, people exposed to secondhand smoke on a regular basis will have a higher risk of developing lung cancer, even if they do not smoke themselves. Studies have shown that those who live with a smoker have a 24% greater risk of developing lung cancer than most non-smokers. Doctors estimate that about 3000 lung cancer deaths a year are related to secondhand smoke.

Asbestos Exposure

Exposure to asbestos is another well-known cause of lung cancer and mesothelioma - cancer of the pleural lining of the lungs. Asbestos was widely used in construction and everyday products in the late 1800s through the 1960s. Asbestos separates into fine silica fibers that become trapped in the tissues of the lungs. Mesothelioma is inextricably linked to asbestos exposure. There are no reported cases of mesothelioma in people who were not exposed to asbestos either in the workplace or through their environment. A non-smoker who was exposed to asbestos has a five times greater risk of developing lung cancer than a non-smoker who was not exposed. Smoking increases the risk dramatically - a smoker who was exposed to asbestos has a risk of developing lung cancer that is 50 to 90 times greater than that of a non-smoker.

Radon Gas

It is estimated that about 12% of lung cancer deaths can be attributed to radon gas, a colorless, odorless gas that is a natural byproduct of the decay of uranium. The U.S. Environmental Protection Agency estimates that as many as 15% of homes in the United States have unsafe levels of radon gas, which will account for 15,000 to 22,000 deaths from lung cancer annually.

Air Pollution

Scientists estimate that as many as 1% of all lung cancer deaths are attributable to air pollution. They believe that prolonged exposure to very polluted air can raise the risks of developing lung cancer to about the levels of a passive smoker.

Cause Of Lung Cancer

This growth of unhealthy cells can start anywhere in the lungs.

Lung cancer is actually the leading cause of cancer deaths in both men and women. Of those people who contract lung cancer, less than half of them survive one year. The quicker you notice symptom and have it diagnosed, the quicker treatment can begin and the odds improve.

The leading cause of lung cancer is smoking. eighty seven percent of people who have lung cancer have gotten it from smoking.

If a person smokes a pack a day, they have twenty times the risk of getting lung cancer or some other serious health problem than a person who doesn't smoke at all.

There are so many carcinogens in tobacco smoke that they constantly damage the healthy cells of the lungs, and the risk goes up for smokers depending on how long they have smoked and how much they have smoked.

There are other causes of lung cancer for healthy people who don't smoke

These causes include asbestos, which used to be used in building materials. It enters a healthy person's lungs by inhaling, and then attaches to the respiratory lining.

People who get lung cancer from asbestos exposure usually get it from work or from living in an older home.

Some doctors also think that women who are exposed to tobacco smoke, are more likely to have lung cancer than men exposed to smoke. Researchers have found a gene called GRPR which causes unusual cell growth in people exposed to cigarette smoke. This gene is more active in women than in men and may explain why females are more prone to lung cancer.

Some research has indicated a diet low in fruit and vegetables may increase the chances of developing cancer if exposed to tobacco smoke. Some evidence shows fruit and vegetables may protect against lung cancer.

The final cause of lung cancer in healthy people is radon exposure.

Radon is a gas which is naturally released from soil and rocks. In closed spaces like caves, basements and other areas, it can become concentrated and cause lung cancer or other health problems. It is always a good idea to have a home checked for radon levels because there are things that can be done to lower them to more acceptable levels.

The good news?

When smokers quit smoking, their risk for getting lung cancer goes down immediately and every year that they don't smoke.

It is also an interesting fact that 25% of nonsmokers that get lung cancer live with smokers, so the secondhand smoke is most likely the cause of their lung cancer health issues.

Sources:

webmd.com

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About Author

Both David Chandler & Mike Herman are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.

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