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Often drink soybean milk is really prone to cause breast cancer?

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Soybean Phytoestrogens and from the animal or chemical synthesis of the role of different estrogen

 

Women before and after menopause due to declining or fluctuating estrogen levels, often lead to dysfunction of autonomic nervous system mainly psychological symptoms associated with a group of neurological syndrome known as menopausal syndrome (formerly known as menopausal syndrome). Since the 20th century, 70 years, using hormone replacement therapy for menopausal syndrome has achieved good results. But long-term use of estrogen to increase breast cancer risk, it has been applied with caution. The study found that over the past decade, soybeans and their products contain soy isoflavones, which mainly include daidzein and genistein. The structure of genistein and estrogen is similar to breast cells with a combination of estrogen receptors play a role in estrogen, it is known as phytoestrogens. Needs to be emphasized is that although the plant estrogens have the effect of estrogen, but its role in promoting breast hyperplasia but only one-thousandth of estrogen. It not only improves the symptoms of menopausal syndrome, as well as a good anti-cancer effect. Thus, in recent years, soy isoflavones have been widely used in the treatment of menopausal syndrome.

 

Epidemiological data indicate that, in addition to breast cancer, the soy isoflavones on gastric cancer, prostate cancer, colon and ovarian cancer risk is also reduced role. Therefore, that one is a plant estrogen, but just thought the same as with estrogen can increase the risk of breast cancer point of view, is actually a misunderstanding. Looking at domestic and foreign research data has not yet been found to eat soy and its products can increase the risk of breast cancer reported. Because it misunderstood the role of phytoestrogens soy milk instead of Gan He did not dare eat soy, it is not a small loss.

 

The real reason for high incidence of breast cancer may be too much fat intake

 

In recent years, the incidence of breast cancer is indeed a clear upward trend. So, what are the factors causing a high incidence of breast cancer do? By dietary factors analysis found that fat intake may be a major cause of excess. Epidemiological data show that fat intake and breast cancer incidence is positively correlated. And the vegetable oil in the high content of polyunsaturated fatty acids, case-control studies have shown that polyunsaturated fatty acid intake and risk of breast cancer into a positive correlation.

 

30 ~ 50 grams per day of soybean and its products is not only safe, but it is necessary to

 

Soybean and its products are a good source of dietary protein. Chinese residents in the past intake of soy and its products is 8 ~ 13 g / day not yet reached the Chinese Nutrition Society 30 ~ 50 grams of the recommended standards, a low intake. Low in fat intake in 1980, the beginning of the national breast cancer mortality rate for 2.94/100000, 2006, compared with 8.16/100000. But here the marked increase in the incidence of breast cancer, but not with the intake of soybeans and their products into a positive correlation.

 

400 grams of milk is about equivalent to 50 grams of soy and its products, this quantity since it is formulated by the Chinese Nutrition Society, and the standards promulgated by the National Ministry of Health, within the scope of it is not only safe, but also necessary. Thus, one can safely drink milk, do not have too many concerns.

 

Expert Viewpoint

 

People's Liberation Army 305 Hospital, Breast Surgery Dr. Qin Hongzhen: leguminous plants exist in the natural phytoestrogen genistein (genistein in different names - Editor's note), suppress estrogen levels to prevent breast cancer cells into endothelial cells . At the same time, genistein can inhibit angiogenesis, inhibit tumor cell growth and movement, inducing tumor cell apoptosis, and enhancing tumor suppressor gene expression. Therefore, eat soy may prevent breast cancer.

 

Since genistein is not heat, so should not be fried bean. Serve hot soy milk is also best to drink, because milk is heated to 95 ¡æ in place 45 minutes later, which will gradually reduce the concentration of genistein. However, fresh bean curd soup or stew, of which genistein could be retained. In addition, the lobster sauce made with fermented soy, the genistein were significantly increased.

 

Beijing Tongren Hospital, director of surgery Dr. Xiao: whatever the natural estrogen, can all be rest assured that eating. The study found that soy foods have a preventive role in breast cancer. Because the number of places to eat soy foods, breast cancer incidence is relatively low. Therefore, people can drink soy milk every day and eat soy products.

 

Cancer Hospital, Chinese Academy of Medical Sciences, director of breast medical Xu Bing River and Xiang Wang, director of breast surgery: drink milk and breast cancer, there is no direct relationship, adds to the growing milk is prone to cause breast cancer, say misinformation. Because soybeans contain hormones, and hormones in animals is not the same, and will not play that role in the human body.

 

 


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