我们知道,乳腺癌已成为一种严重影响女性身心健康的常见病、多发病。经常有患者会问:“大夫,我既不吸烟,也不喝酒,家里人也没有得这个病的,我为什么会得乳腺癌呢?”另有一些女性朋友则因家属或身边的朋友、同事患有乳腺癌,而彷徨、忧虑。那么,乳腺癌到底是怎么发生的呢?我们有什么办法预防吗?乳腺癌是乳腺导管上皮细胞在致癌因素的作用下,细胞失去正常特性而异常增生,以致超过自我修复的限度而发生的疾病。乳腺癌的发病因素主要包括以下方面:月经年龄月经初潮年龄越早,绝经越晚,乳腺接受雌激素作用的时间越 We know that breast cancer has become a common and frequently occurring disease that seriously affects the physical and mental health of women. Often patients will ask: “Doctor, I neither smoke nor drink, family members do not have this disease, why do I have breast cancer?” "There are other female friends because of family members or close friends Colleagues suffer from breast cancer, and are paralyzed and worried. So, what exactly happened to breast cancer? How can we prevent it? Breast cancer is a disease in which the ductal epithelial cells of the breast lose their normal characteristics and hyperplasia under the influence of carcinogenic factors, resulting in the disease exceeding the limit of self-repair. . The incidence of breast cancer mainly includes the following aspects: The age of menstruation The earlier the age of menarche, the later the menopause, the more time the breast receives estrogen.