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Doctor insights on: Is An Unhealthy Diet The Main Cause Of Lung Cancer

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As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

YES,: But not because of the nicotine that gets you hooked, but from all the other components such as the tar and the heat of the smoke is also a factor. Do non- smokers get lung cancer, yes they do but not in the high numbers we see from first hand and second hand smoke from tobacco. The only chemical that has been a cause for concern is the addition of extra nitcotine in the tobacco, but can't prove ...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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What is a primary lung cancer that would cause multiple small lung nodules less than 5 mm when found?

Unusual: Consider some cancer superimposed on histoplasmosis. Metastatic, military cancer from melanoma, breast can have unusual appearance. Alveolar cell can be multiple lesions , but not like the description. ...Read more

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What is the usual cause of lung cancer?

What is the usual cause of lung cancer?

Smoking: Although three are some common causes of lung cancer by far the most common culprit is cigarette smoking. ...Read more

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Can any doc tell me what's the 2nd most common cause of lung cancer?

Can any doc tell me what's the 2nd most common cause of lung cancer?

Almost in order: 1st cigaretts then: pipe and cigars, asbestos, radon family genes. History of lung ca pollution. People forget radon alot for non smokers. Hope it helps. Look at the american cancer society web site. ...Read more

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What causes lung cancer?

What causes lung cancer?

Several causes...: But the most common correlation with lung cancer is smoking. Smoking alone will increase your risk of lung cancer by about 20 times by smoking one pack per day for twenty years. Other sources can be genetic (alpha-1 antitrypsin disorder), related to environmental exposures that are inhaled, or other less common reasons. ...Read more

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Could car fumes cause lung cancer?

Could car fumes cause lung cancer?

Not likely: The vast majority of lung cancer is caused by smoking - i.e. First hand cigarette smoke. Lung cancer is rare in people who have never smoked. If car exhaust were an important contributor we'd see far more cancer in people who had never smoked. ...Read more

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What are some causes of lung cancer?

What are some causes of lung cancer?

Risk factors: Lung cancer is most commonly a long process of years in which the lungs are exposed to damaging substances/"carcinogens". The biggest/best known is smoking. This link may help: http://www.Cancer.Net/cancer-types/lung-cancer/risk-factors-and-prevention. ...Read more

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What is lung cancer caused by in nonsmoker?

Many things: >80% of lung cancer is caused by smoking. However never smokers (defined as <100 cigarettes in lifetime) can get smoking. Risk factors include radon exposure, second hand smoke, and genetic mutations such as egfr activating mutations. ...Read more

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Need expert help here. What are the symptoms and causes of lung cancer?

None or some: Causes: carcinogens in cigarrete smoke, radon, radioactivity, inhalation of organic halogenated hydrocarbons, aromatic hydrocarbons, exposure to known carcinogens to include some. Many times no symptoms. Sometimes, persistent cough, hemoptysis, weight loss(unexplained) recurrent pneumonia, may lead to discovery. Smoking anything is a risk. Asbestos inhalation co carcinogen.Read warnings! ...Read more

Dr. Arthur Heller
2,585 doctors shared insights

Diet (Definition)

refers to all the physical matter humans (like all living creatures) must take in on a recurring basis; only partially for energy. Like all life on planet humans are open systems which keep tearing down their structure & require intake of atoms/molecules from which to rebuild their structure. Intestinal lining cells replaced ~every 3 days. CaPO4 in bones ~every 6 years, ...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