How can smoking cause lung cancer?

Many ways. Smoking accounts for the vast majority (but not all) cases of lung cancer. Cigarette smoke contains many substances (carcinogens) that predispose to cancer. They do this in different ways, like interfering with normal lung cell functions, making them divide more rapidly or die more slowly, or by suppressing the normal immune response to tumors. Don't smoke.

Related Questions

How can smoking cause lung cancer?

Directly. The contents of cigarette smoke irritates and damages the cells lining the lungs. When the cells undergo repair, errors in replication can occur, leading to cancer. This does not happen every time, and your body can generally fix the errors, but occasionally something gets through, and cancer starts. Read more...

How exactly does smoking cause lung cancer?

Tobacco's carcinogen. Tobacco contains a number of chemicals which are the cause of cancer. So tobacco taken in any form(Chewing, snorting or smoking introduces these chemicals in the body , and given sufficient concentration of these chemicals, the end result of such exposure is cell damage leading to development of Cancers of many types(all tissues coming in contact with tobacco can develop Cancer(Aerodigestive tract. Read more...

What can cause lung cancer besides smoking?

Lung cancer causes. Argon gas Scars from previous lung injury Asbestos exposure Genetic susceptibility Proliferation of neural crest origin cells- small cell/carcinoid. Read more...

I am wondering what causes lung cancer besides smoking?

Multiple. Radon gas, industrial air pollution, asbestos, genetics, etc. Given enough time, studies will likely show that anything can cause cancer, given a larger enough concentration, exposure, and time. Read more...

Can you tell me how is it that smoking causes lung cancer?

Many things. Chemicals in the cigarette my cause cellular change in the lung as well as nicotine which can cause cancer in the mouth as well Cigarette smoke its tobacco tar and smoke all inflame the lungs and may lead to cancer. Read more...

What are the lead causes of lung cancer (aside from smoking)?

Environmental. Plenty of stuff in the air which can lead to lung cancer, depending on the level and length of exposure. Also, radiation, radon gas, and asbestos are implicated. Read more...

I was wondering what are the lead causes of lung cancer besides smoking?

All are minor. Asbestos in the workplace is by far the most important. Despite all the talk about urban smoke / pollution, lung cancer was rare until cigs were introduced despite the cities being horribly smoky. Radon in the home has minimal impact on non-smokers. Uranium miners got lots of lung cancer but almost all were smokers. I suspect hexavalent chromium in industry is a risk. Read more...
Inhaling smoke. Tricyclic aromatic hydrocarbons produced by combustion of tar or any other organic chemical is known to be carcinogenic. Halogenated aromatic hydrocarbons, benzpyrenes, to include some. Other chemicals may not be carcinogenic by themselves but act as co carcinogens when combined with cigarette smoke, like asbestos particles. High levels of radon gas increases risk of lung cancer. Radiation overd. Read more...

Help please? I want to know what are the lead causes of lung cancer besides smoking?

Radon exposure. Second hand smoke increases risk of lung cancer, as does exposure to radon, which is why radon testing in the home has become so prevalent. Asbestos is known to cause a rare cancer called mesothelioma. The risk of getting the typical type of lung cancer among people exposed to asbestos is much higher if they are also smokers. Read more...

Is smoking 4 to 5 cigretts a day causes lung cancer?

Yes. Any exposure to carcinogens can result in cancer. Smoking and being around second hand smoke are know causes of cancer. It will be one of the best things you have ever done for yourself to quit smoking. Just do it. Help is available too! Read more...
Yes. Although not a pack a day exposure any cigarette smoking is causative of lung cancer. Even spouses who don't smoke but are exposed to chronic second hand smoke have an increase risk of lung cancer. Quit now before it's too late. Read more...
Yes. Smoking > 100 cigarettes increases the risk of lung cancer more than the general population. Read more...
Yes. Yes, inhaled carcinogens from cigarettes first hand or second hand increases risk for lung cancer. Check this link: http://www.Cancer.Net/cancer-types/lung-cancer/risk-factors-and-prevention. Read more...