General knowledge of _ in close relations with smoking of cancer of colon

General knowledge of _ in close relations with smoking of cancer of colon
A large-scale result of study that U.S.A.'s cancer association carries on reveals, smoking is except that can cause about 160,000 to die through lung cancer, oral cavity cancer, bladder cancer and other cancers every year, can also increase the death risks of colon and rectum cancer.

U.S.A. dies of the case of colon and rectal cancer there are 12% that are caused from smoking.

Dr. Ann Chao of the association of cancer in Atlanta U.S.A. says: "At present, relevance cancer that colon and rectal cancer are not considered to smoke, but research and other large-scale research of the U.S.A.'s cancer association reveal, should list colon and rectal cancer in smoking in relevance cancer. "

nbspChao and their assistant go on, analyze to one information studied to give protection against cancer the research include more thanth man and more thanth woman.

Reveal according to the result of study published in the 6th issue " magazine of research institute of state-run cancer ", in man, smoker than whether smoker die of risk of cancer of colon take 34% high at present; In women, risk take 43% high probably. Though the risk in death of smoker's rectal cancer in China will increase to some extent, but the range of increasing should be lower than cancer of colon.

The researcher notices, year of smoking is long, the higher the mortality of colon and rectal cancer is. Meanwhile, the mortality of colon and rectal cancer becomes positive correlation with the quantity, age that smokes at the beginning and quantity that smokes every year of smoking every day too.

The possibility that the person of the history has died from colonned and rectal cancer of smoking for 20 years previously will increase too. But if women give up smoking for time for over 10 years, over 20 years for man, then the mortality of colon and rectal cancer will get back to the normal level.

Suck cigar and smoke person who fight die of danger, colon of rectal cancer, increase by 34% too.

nbspChao is said: "Smoking, especially smoke and increase with the rectal cancer mortality of colon continuously for a long time and is closely related with. " So she advises the smoker to give up smoking, it is the better to be and the earlier, only if the smoker should not begin to smoke either.


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