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Doctor insights on: Do People In Their Twenties Get Lung Cancer

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If I smoke will I get lung cancer?

If I smoke will I get lung cancer?

15%: 15% of smokers (>100 cigarettes in a lifetime) develop lung cancer. 80% of all lung cancer is caused by smoking. If you stop smoking, your risk of lung cancer decreases each year after stopping. ...Read more

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Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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Could i get lung cancer when i'm 25?

Possibly: It depends on your risk factors, but in general, it is unlikely in someone your age. If you are a cigarette smoker, your chances go up with time. ...Read more

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Why don't all smokers get lung cancer?

Why don't all smokers get lung cancer?

Multiple factors: Nonsmokers as well as smokers can develop lung cancer, a disorder that involves genetic and other factors. Smoking is a major contributing cause but other mechanisms come into play such a genetic predisposition. ...Read more

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How come some smokers don't get lung cancer?

How come some smokers don't get lung cancer?

Not fully know: Not fully know, possibly genetics. Importantly, smoking is the primary risk factor for causing 90% of lung cancer. Though it is clear that some people who smoke their whole lives never develop lung cancer, quitting smoking remains the most important aspect of lung cancer prevention and should be strongly encouraged. ...Read more

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If I smoked, should I get tested for lung cancer?

If I smoked, should I get tested for lung cancer?

Screening: The national lung screening trial demonstrated survival advantage in patients who underwent low dose ct scan screening and were high risk. High risk is defined as heavy or former smokers (quit within 15 years) and aged 55-74. ...Read more

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How is it that a lot of nonsmokers get lung cancer?

How is it that a lot of nonsmokers get lung cancer?

See below: 15% of all lung cancers occur in never smokers. Epidemiological studies suggest that environmental toxic exposures (radon, second hand smoke, pollution etc) can be linked; however, for a given individual it is hard to establish a definite link; the biology of lc in never smokers is different and there are certain molecular features that may make it more responsive to certain drugs;. ...Read more

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How can someone get lung cancer who has never smoked?

How can someone get lung cancer who has never smoked?

We don't know: Although smoking is by far the greatest risk factor for lung cancer, not every lung cancer patient has a smoking history. Some non-smokers have other risks like second hand smoke or asbestos exposure. But a growing number have no risk factors that we know of. Unfortunately the lack if cigarette exposure does not completely rule out the possibility of lung cancer. ...Read more

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Might it be that a a 20 or 25- year old get lung cancer?

Yes: "from 2006-2010, the median age at death for cancer of the lung and bronchus was 72 years of age. Approximately 0.0% died under age 20; 0.1% between 20 and 34; 1.1% between 35 and 44; 7.8% between 45 and 54; 19.6% between 55 and 64; 30.5% between 65 and 74; 30.1% between 75 and 84; and 10.8% 85+ years of age" http://goo.Gl/5mixx. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


Dr. David Cooke
825 doctors shared insights

Lung Cancer (Definition)

From national cancer institute: "cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and non-small cell lung cancer. These types are diagnosed based on how the cells ...Read more