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Doctor insights on: How Many Cigarettes Does It Take To Get Lung Cancer

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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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Are cigarettes the only reason you get lung cancer?

Are cigarettes the only reason you get lung cancer?

Major: The majority of lung cancer is caused by smoking 80-90%, especially in men. There is growing incidence of lung cancer in never smokers (<100 total lifetime cigarettes). This may be caused by mutations in certain genes such as egfr, or unusual fusion genes such as eml4-alk. These gene mutations are often found in younger individuals, asian ethncity and never smokers. ...Read more

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Is it common among teenagers that smoke cigarettes to get lung cancer?

Is it common among teenagers that smoke cigarettes to get lung cancer?

No.: It's not common for teenagers to get lung cancer, smoking or not. A small fraction of a percent of lung cancer patients are diagnosed before the age of 35, and the largest fraction is in the 55-85 age group. Lifelong smoking that begins early on in teenage years or earlier does increase the chance of developing lung cancer later on, however. ...Read more

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I'm 22 years old and have been smoking cigarettes for 10 years...I've been around it all my life tho...Do I have a good chance to get lung cancer?

I'm 22 years old and have been smoking cigarettes for 10 years...I've been around it all my life tho...Do I have a good chance to get lung cancer?

Increased risk: http://goo.gl/kkxkn work with family physician towards comprehensive wellness. First and second hand exposure increases risk. Quitting decreases risk. There are numerous disease that smoking will increase risk. ...Read more

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Im 16 can i get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and i do every day,smoke alot during the day so is it possible for me to get lung cancer from smoking them?

Im 16 can i get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and i do every day,smoke alot during the day so is it possible for me to get lung cancer from smoking them?

Unknown: Longterm effects of e-cigarettes are not known since they are relatively new. They may be safer than traditional cigarettes from a cancer standpoint but effects of nicotine on your health can be dangerous as well. ...Read more

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Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Yes: Smoke is an irritant to the lining of the lungs, causing the body to react and "defend" against the irritation and try to remove the smoke particles. Some smoke compounds are known to cause cells to become cancerous. ...Read more

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I have been at a university for a whole semester breathing in about 30 cigarettes a day outside. Will I get lung cancer?

I have been at a university for a whole semester breathing in about 30 cigarettes a day outside. Will I get lung cancer?

2nd hand smoking: Are you referring to second hand smoke? If so it is difficult to know exactly what the equivalent is in terms of how many cigarrette you inhaled, nonetheless, studies have shown that second hand smoke can be as harmful as directly inhaling cigarettes. This means that you may have an increased risk of lung cancer, however one cannot say you will definitely get it. Avoid it if possible. ...Read more

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Can you get lung cancer from inhaling mold and how much time you need inhale to get cancer. I'm 21 years old. Smoked like 20-30 cigarettes with mold?

Can you get lung cancer from inhaling mold and how much time you need  inhale to get cancer. I'm 21 years old. 
Smoked like 20-30 cigarettes with mold?

Yes: Depending on the type of mold and the amount that was inhaled and the time period, it can be dangerous and toxic, potentially triggering lung cancer. If you develop respiratory symptoms, see your MD. You can get various tests to evaluate for lung disease including CXR, Pulmonary function tests, pulse oximetry, etc, to evaluate different aspects of lung disease. ...Read more

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Hello. I have smoked 4/5 cigarettes a day for 2 years. Am i at any big risk for lung cancer or any other smoking decises?

Hello. I have smoked 4/5 cigarettes a day for 2 years. Am i at any big risk for lung cancer or any other smoking decises?

Slight risk: Depending on your genetics, you are probably at slightly higher risk than a non-smoker your age for heart and blood vessel disease. However your young age keeps you from much risk of lung disease...But you should try to quit asap. The sooner you quit, the lower your risk as you age. Good luck, and talk to your doc about quitting strategies. ...Read more

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Hi, I have been smoking for more or less 5 years an average of 5-6 cigarettes a day. Now I stopped since 1 year. Do I have a high lung cancer risk?

Interesting: Check this smoking study:Results: There were 37,078 women in the analytic cohort. Compared with the never smokers, former smokers had an elevated lung cancer risk (relative risk, 6.6; 95% confidence interval, 5.0 to 8.7) up to 30 years after smoking cessation for all former smokers http://jco.ascopubs.org/content/21/5/921.abstract ...Read more

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