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Sacramento Forums: Smoking and its Contribution to Lung Cancer - Sacramento Forums

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Smoking and its Contribution to Lung Cancer Rate Topic: -----

#1 User is offline   kryptic 

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Posted 14 July 2010 - 05:58 AM

Lung cancer is a major cause of cancer deaths. It is the uncontrolled growth of the tissues of the lungs. This causes invasion of the adjacent tissue beyond the lungs. Among patients with lung cancer about 87% of men and 85% of women are smokers. This shows the close relation between Smoking and lung cancer . Cigarettes contain about 40 carcinogens like radioisotopes, nitrasamine and benzopyrene. The risk of developing lung cancer is directly proportional to the amount of tobacco inhaled. Nicotine decreases the immunity of the lungs to malignant growth of tissues. But as a person stops smoking, his chances of developing lung cancer steadily decreases over a period of time.

When a person smokes, the carcinogenic chemicals in the smoke are deposited into the lungs. The more the person smokes, the more the amount of carcinogenic material inhaled and deposited in the lungs. This causes DNA damage, oxidative stress and inflammation which helps the initiation and growth of tumors. DNA is an important element necessary for the normal functioning of the body. The DNA damage cannot be rectified by the body and hence the cells begin to multiply in an abnormal way and this leads to the formation of a malignant tumor. Lung cancer is not easily detectable at early stages and gets affected rapidly. It also sometimes affects other parts of the body. It is therefore fatal and contributes to the maximum number of deaths due to cancer.

Efforts are now put in to detect and cure lung cancer but the best method is still to stop smoking or not initiate smoking at all.
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#2 User is offline   homemaker 

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Posted 15 October 2010 - 03:43 AM

My grand father he is smoking since he was 19 or some now he is over 80 still he has no problem. What does medicine explain that ? Is that a genetic credit?? or can i think i can do the same :)
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#3 User is offline   homemaker 

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Posted 15 October 2010 - 03:45 AM

My grand father he is smoking since he was 19 or some now he is over 80 still he has no problem. What does medicine explain that ? Is that a genetic credit?? or can i think i can do the same :)
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#4 User is offline   drfarhan 

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Posted 19 October 2010 - 01:02 AM

I am a doctor by profession so I think I can give you a satisfying answer about your grandfather homemaker. Kryptic is very right when he said that their is a close relationship in development of lung cancer, but its not that strong that if you smoke 1 or 2 or may be up to5 cigarettes you will get a lung cancer, the risk of development of lung cancer is mostly in those subjects who smoke 40 to 50 cigarettes daily up to 20 to 30 years of their lives, so if you are or your grandfather happens to be an occasional smoker or he hasn't been smoking that much as i have told you, this might be the reason he hasn't got lung cancer yet, but just for your knowledge smoking is not a good habit at all and it promotes a lot many of the cancers then just the lung cancer, so I advice you to take care of your life by not smoking, because life is precious.
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