Eight-induced breast cancer risk factors

At present the incidence of breast cancer reasons not entirely clear, but it is worth noting that scientists summed up the eight-induced breast cancer risk factors:

Genetic family: those with family history of hereditary breast cancer can be expressed as two forms: as a mother suffering from breast cancer, her daughter is also a good breast cancer, age of onset light, often in amenorrhea, and more bilateral; another A mother was not suffering from breast cancer too, but in a family, there are at least two sisters suffering from breast cancer, this family in the incidence of breast cancer than no family history of breast cancer in the family a high incidence of 2-3 Times, and this occurred in more than breast cancer after menopause, often unilateral.

Menstrual factors: age of menarche as early as 12-year-old, in the risk of breast cancer than 17 years of age at menarche big 2.2 percent; menopause later than 50-year-old, 45 years after menopause than those with increased risk of breast cancer 1 times .

Abortion excessive: normal spontaneous abortion does not increase the risk of breast cancer, and repeated abortions, or 18-year-old abortion done many times before, easily trigger breast diseases, increase the risk of breast cancer.

Artificial feeding: the prevention of breast cancer breastfeeding is the best natural means of Health and breast-feeding can reduce the risk of breast cancer 20 to 30 percent.

The poor quality of life: breast disease and is closely related to sex life, women's sexual repression can increase breast lobular hyperplasia and the incidence of breast cancer risk. Related investigations revealed that those with breast lobular hyperplasia of 86 percent of women in the sex life has never reached orgasm; age at first marriage for the greater, the higher the incidence of breast cancer.

Depression: the single woman, rear, Miss public relations, retired workers and some secondary school teachers, with more breast disease, breast cancer incidence rates are also high. As a result of these vulnerable women have a nervous anxiety, loneliness depressed and sad sadness, boredom disappointed, angry, and so impatient depression, long-term adverse emotional stimulation, the body rhythm of life in disorder, the neuroendocrine system dysfunction, thus leading to the environmental imbalance, immune Of the decline in the chest gland can generate and reduce the release of the thymus, lymphocytes, macrophages mutations in the cells of the monitoring capacity and reduced ability to swallow, prone to cancer.


Over obesity: obesity and breast cancer are closely related. Obese girls easy precocious puberty, for the seeds sown on the troubles of breast cancer. Obesity, such as cancer of the breast cancer rate higher than 3.45 times the non-obese, because fat accumulation of excessive estrogen production will increase, the excess estrogen after being stored in the fat of fat tissue, and we will continue to release into the Blood, the stimulation of breast tissue, the passage of time, easy to cause breast cancer. Moreover, the obese have hypercholesterolemia and hyperinsulinemia, increased cholesterol the body, lymphocytes, macrophages and other cells of the elevated cholesterol levels, inhibit the immune function

Bad habits: smoking, alcohol abuse as "fashionable", to nightclubs, dance halls, night immersed in Denghongjiulv, Hei eating fried food and sweets of various cakes, and of coarse grain, vegetables, but I never become ; Single, or a 30-year-old married before birth, the Health and the children do not want to breast-feeding, some women also wear a bra too tight or too loose, lost the protection of the role of the breast.