The cause of disease of oesophagus and cancer in the Ben door

The survey research and laboratory observation that has many concerning oesophagus cancer outbreak factors in recent years generally thinks that the following factor is main:
1.Second nitric An compound in the last years experiment proves to induct second nitric An of oesophagus cancer to have 20 varieties, these materials are existed to some foods, vegetable and drinking in.Can also in the body and the body shape become.Such as Lin Xuan2 in Henan etc. ground the sour pickled cabbage that the residents often eat in, the content of second nitric salt is very high.
2.The cancer-causing function of fungi is changed with the mildewed the food can induct big rat or small rat oesophagus and ex- stomach of before the cancer pathological changes or scale cancer, can separate from these mildeweds change the food mildewed, yellow mildewed and root whitely the fungi and bud mildewed etc. all can induct animal tumor, this fungi has with second nitric An to urge cancer of be in conjunction with a function.The data proof that investigates parts of oesophagus cancers from the our country, the Gao Fa Qu residents compare low hair area edible ferment is as more as the food that the mildewed changes, if the tide Shan region residents of Guangdong often eat of fish dew.
3.Trace element according to survey our country the content of Mu, zinc, copper and Nie is all low in the middle of the oesophagus cancer environment outside Gao Fa Qu's human body.
4.Food be used to food of physical sex stimulate such as hot, thick, hard, smoke cigarette, alcohol, and the nourishment lacks etc. have a certain relation with the occurrence of the oesophagus cancer.
5.Inherit easy sensitive faculty regardless Gao Fa Qu or low hair area all can find out the high hair household of oesophagus cancer at the oesophagus cancer.The elucidation includes obvious household to come together a phenomenon.But this kind of household comes together a phenomenon is proceed from inheritting a factor to or proceed from household member at very long of accept same environment in a period of time cancer-causing factor to, currently still without the hard conclusion.
6.The cancer of oesophagus changes the pathological changes oesophagus chronic burning disease, Ben door lose the Chi slow disease, lack iron to swallow a difficulty comprehensive advertise for, the narrow scar formation and white spot is far-gone to cause cancer's changing.