A diet rich in soy isoflavones, is thought to reduce the risk of breast cancer recurrence, especially in survivors of breast cancer.
The experts found the breast cancer survivors who have entered menopause and regularly consume soy isoflavones, from 42.3 milligrams per day have a lower risk of cancer recurrence than those who eat soy in smaller portions or 15.2 mg per day.
The links between the components of soy and breast cancer is unclear, but researchers believe that isoflavones affect levels of estrogen in the body. However, other studies show the opposite effect, isoflavones actually increase the risk of breast cancer.
According to the National Cancer Institute, United States, more than 12 percent of women born today will be diagnosed with breast cancer in their lifetime. Experts suspect that one of them is influenced by diet.
Americans rarely eat soy. Only 37 percent consume soy foods or drinks several times a month. Meanwhile, in Asia, a protein derived from soy in the diet.
For several years, experts continue to explore the benefits of soy for health, particularly cancer. Previous research shows soy isoflavones, namely genistein could inhibit the effects of tamoxifen (hormone replacement therapy drug in menopausal women) and promote the growth of estrogen-positive resepstor.
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