乳腺癌是主要威胁中老年妇女机体健康的恶性肿瘤之一。据资料表明,全世界每年都有数百万妇女罹患乳腺癌,并有近百万人死于此症。以往,人们已经发现肥胖妇女具有较高的乳腺癌发病率。近来国外科学研究认为,乳腺癌的发生确与体重增加有关联,特别是那些进入更年期后的妇女,如果体重增加过快,常成为乳腺癌的诱发因素;避免和遏制肥胖等于是降低患乳腺癌的可能性。据美国哈佛公共卫生学院专家们所作的一份载于《美国医学会杂志》的报告说,更年期前的肥胖妇女罹患乳腺癌的可能性大,但是对更年期后的妇 Breast cancer is one of the major malignant tumors that threaten the health of middle-aged and elderly women. According to statistics, millions of women around the world suffer from breast cancer every year, and nearly one million of them have died of this disease. In the past, people have found that obese women have a higher incidence of breast cancer. Recent foreign scientific research believes that the occurrence of breast cancer is indeed associated with weight gain, especially in women after menopause, if excessive weight gain, often become a trigger factor for breast cancer; to avoid and suppress obesity is equal to lower breast cancer The possibility. According to a report published by the American Medical Association magazine by experts from the Harvard School of Public Health in the United States, obese women before menopause are more likely to develop breast cancer, but women who are postmenopausal