American researchers find the risk factor of two items of breast cancer

American researchers find the risk factor of two items of breast cancer
American the intersection of Mayo Clinic and one latest research reveal, have, cause dense mammary gland and the intersection of mammary gland and woman that little leaf has not degradated suffer from the prominent improvement of risk of breast cancer.
The researchers of Mayo Clinic say on the network edition of a new American " magazine of research institute of national cancer ", they investigate the track of over 13 years to 2666 women suffering from the benign mammary gland disease at the age of 18 to 85, 172 women suffer from breast cancer during that time. Found finally, caused dense mammary gland and small leaf of mammary gland not to degenerate and bring out two independent risk factors of breast cancer. With having the women not causing dense mammary gland and small leaf of mammary gland to totally degenerate to compare, have, cause dense mammary gland and the intersection of mammary gland and little leaf degradate two the intersection of risk and women of factor suffer from the prominent improvement of probability of breast cancer at the same time.
It is introduced, cause the dense mammary gland to mean the breast is more thymic tissues and conduits, and fat content is less, there will be more development and hide the area meaning cancer cell in this; Mammary gland little leaf it degradates to be leather normal physiology of cell wither on the mammary gland, and accelerate with growth of age. Mayo Clinic researcher find the intersection of mammary gland and canceration take place in the intersection of mammary gland and little leaf usually in the intersection of here and last items of research, if the small leaf of mammary gland degenerates gradually as age increases, women will suffer from the risk of breast cancer and reduce. (reporter's plateau)
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