In recent years, studies have shown that changes in diet, especially fat diet can change the body’s endocrine environment, strengthen or extend the effect of estrogen on breast epithelial cells to stimulate and increase the risk of breast cancer. Animal experiments, the application of high-fat diet fed mice, will enable increased incidence of breast cancer, while fat appears that the role of unsaturated fatty acids than saturated fatty acids, high-fat diet can DMBA-induced breast cancer in mice reduce the time, indicating the formation of fat in the breast tumors play a role in the tumor promotion stage. Of fat increases the risk of breast cancer may be related to fat accelerated childhood growth and development, precocious puberty, so that premature mammary epithelial cells exposed to estrogen, thereby increasing the chance the cancer. In addition, fat can promote androstenedione into estrogen may also have increased the role of the pituitary release of prolactin.
British researchers reported that breast cancer incidence and mortality in addition to the excessive intake of fat, but also to the consumption of sugar closely. A lot of fat and sugar intake, can gain weight. The studies have shown that weight gain in women after menopause may be an important risk factor for breast cancer occurred.
Therefore, women from the onset of puberty, should be properly moderate intake of fat and sugar, adjusting the diet. Post-menopausal women should be appropriately increased physical activity to maintain fitness.
