Family heredity: Contracts the hereditary breast cancer family history to be possible to display is two forms: One kind contracts breast cancer for the mother,the daughter might as well sends breast cancer,the morbidity age is light,often occurs before the menopause,many is two-sided; Another kind has not contracted breast cancer for the mother,but in a family,some two sisters contract breast cancer at least,in this kind of family breast cancer disease incidence rate must compared to in the non-family history family breast cancer disease incidence rate high 2-3 time,also this kind of breast cancer occurs much after the menopause,chang Weidan side;
Menstruation factor: The menstruation first menstruation age is earlier than 12 years old,has breast cancer risk compared to first menstruation 17 years old of big 2.2 times; Menopause late in 50 years old,the menopause contracts breast cancer after compared to 45 years old the risk to increase about 1 time.
Miscarries excessively many: The normal natural abortion does not increase contracts breast cancer the risk,but repeatedly induced abortion,or 18 year old of before is the induced abortion many times,easy to initiate the mammary gland disease,the increase contracts breast cancer the risk.
Artificial feeding: The mother's milk feeds prevents one of breast cancer best natural methods,nursing may cause to live breast cancer the danger to reduce 20% to 30%.
The sex life quality is bad: Mammary gland disease and sex life close correlation,the feminine nature constrains may increase the mammary gland small leaf proliferation and the mammary gland tumor morbidity probability. The domestic related investigation demonstrated,contracts the mammary gland small leaf proliferation the woman 86% person have never achieved the sexual climax in the sex life; The newly married age is bigger,breast cancer disease incidence rate is higher.
Despondent mood: In single female,remains behind to take care of things woman,public relations woman,in retired female worker and some middle school teachers,contracts the breast disease many,breast cancer disease incidence rate is also high. Because these females are extremely easy to produce intensely anxious,constrains lonely,sorrowful sad,depressed disappointed,irritable angry and so on despondent mood,for a long time not good mood impetusing,organism life rhythm has the disorder,nerve endocrine system function detuning,in then causes the environment to be unbalanced,immunity drop,may cause the thymus production and the release thymus element reduces,lymphocyte,the macrophage drops to in vivo sudden change cell monitoring ability and swallow ability,easy to have cancer.
Excessively obese: Obese and breast cancer close correlation. Girl obese easy early puberty,lays down the cause of disaster for the date future trouble breast cancer. Cancer and so on obesity breast cancer formation rates are higher than non-obesity 3.45 times,because the fat piles up excessively many,the estrogen production then increases,after the unnecessary estrogen is stored by the fat in the fatty tissue,and releases unceasingly enters the blood,has impetusing to the mammary gland organization,gradually,easy to cause breast cancer. Again has,the obesity has Gao Dangu mostly the alcoholemia and the high insulin blood sickness,after in vivo cholesterol ascension,lymphocyte,cell membrane and so on macrophage cholesterol content ascensions,has suppressed the immunity function.
Not good habits and customs: Smokes,the excessive drinking is " fashionable ",goes to the nightclub,song ballroom,immerses all night long in the debauchery,eats happy fries explodes food and each kind of cakes and pastries sweets,but to coarse edible grain,the vegetables ever do not let pass one's lips actually; Single,or 30 year old of talent has married the birth,had a child is not willing to nurse; Also has a female to wear the bra excessively to be tight or the pine,loses protects the breast the function.
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