Most carcinogens are the actual particles in cigarette smoke that may cause lung cancer. The particles include tar, metals, and other chemicals such as benzophyrene and dibenzanthracene. The lung airwaves are covered by a thin cell layer of epithelium, which absorbs cigarette smoke into the lungs... Showed first 250 characters
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Once the cigarette smoke has been absorbed into the lungs, the components in the cigarette smoke reach the sputum, a type of saliva. The presence of these components in the sputum may cause mutations in the smokersí genes, which may lead to the formation to cancerous tumors... Showed next 250 characters
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Lung Cancer Causes
This discovery has broadened the horizons for lung cancer treatment research. Cells with unusually large amounts of FANCD2 were resistant to the toxic effects of smoke...
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effects of smoking
Smoking is involved in most of all lung cancer deaths. An individual with chronic bronchitis, which is caused by smoking, is more likely to get a bacterial infection if he or she is a smoker...
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Environmental Tobacco Smoke
November 25, 1996
Tobacco smoking has long been recognized as a major cause of death and
disease, responsible for an estimated 434,000 deaths per year in the United
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pesticides and their harmful affects
The 1 ? year relative survival rate for lung cancer has risen from 32% in 1973 to 41% in the 1990's. However the combined 5 ? year relative survival rate for all lung cancer stages remains between 13 - 15% ...
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The Harmful Effects Of Smoking A Cigarette
The harmful effects of smoking are:
Smoking accounts for about 80-90% of all chronic obstructive pulmonary disease, emphysema, chronic mucus secretion, and chronic air flow blocks...
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More than 87% of lung cancers are smoking related. However, not all smokers develop lung cancer. Quitting smoking reduces an individual's risk significantly, although former smokers remain at greater risk for lung cancer than people who never smoked...
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The rate of lung cancer cases appears to be dropping among white and African-American men in the United States, while it continues to rise among both white and African-American women...