The outbreak circumstance of stomach cancer all has obvious difference in the different region, different human race.The boong easily suffers from this disease than the white man.The Japan, Chile, Russia and Iceland is Gao Fa nation, national outbreak in the United States, Australia, and Western Europe...etc. leads lower, the our country lies between both.But in the last several decades, the stomach cancer outbreak rate of west nation obviously descended trend and took the United States as an example, the death rate of the stomach cancer 10 have already declined to less than 10 of 5| from original 22|.Japan has already descended trend as well in recent years, the our country has no obvious of rise and fall.BE known as the majority of the male among the sufferer, the men and women's ratio is about 2~3:1.
40 years old above lead for main outbreaks.Currently, stomach cancer really slice reason haven't clarified.The Epidemiology investigates stomach cancer like the hair is at the lower social economic stratum, and have something to do with environment factor.Food the relationship with of stomach cancer be extensively studied.Eat the food of high density nitrate over a long period of time, such as smoking and pickle fish, salty vegetables etc., can increase the risk of stomach cancer occurrence.The nitrate is after absorbing the very quick absorbability secreted by saliva, again return to inside the stomach, through germ function behind change into second nitrate, combine with the An in the stomach again to form cancer-causing second nitric An.Stomach inflammation, the carcinogen ―― second nitric An, over a long period of time function's gluing a film at the stomach can cause cancer to change and generally need 20~30 years.
Several near in the last years researches discover that the Luo rod bacteria antibody level in You door in the stomach cancer crowd of Gao Fa Qu is more obviously high than low hair area, the germ type of its infection contains certain gathering.Someone makes antigen with the stomach cancer sufferer's You door Luo rod bacteria and responds gathering of the stomach cancer Gao Fa's zone a type of relation.Currently, Luo rod bacteria in the You door has already been settled one class carcinogen of behavior stomach cancer occurrence by the international cancer research center, is the new theory that makes the stomach cancer taken place.
The outbreak that inherits a factor agree with stomach cancer, as well count for much.The household phenomenon of stomach cancer much takes place at together the egg compatriot is also the twins' family.
The clinical observation of long term there are five kinds of diseases easily turning into stomach cancer and call cancer preceding circumstances condition and atrophy sex stomach inflammation companion bowel to turn to living such as the chronic, stomach polyp, cripple stomach inflammation, did a big department of stomach resection after, the cancer improvises often to above just take place 15 years after the Shu.Pernicious anemia and minority of stomach ulcer sufferer.
The good hair part of stomach cancer is one by one in order the stomach Dou department, Ben door, stomach body and whole stomacheses or greatly parts of stomaches.
The familiar cause of disease of stomach cancer
3.13.2009
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