Soy Has a Protective Effect in Certain Breast Cancer Patients, Study Shows

Soy Has a Protective Effect in Certain Breast Cancer Patients, Study Shows
Eating soy foods has a protective effect in both women with hormone receptor-negative breast cancer and in women with the cancer who are not receiving hormone therapy, according to a study. The research, which appears to resolve a long-running concern that soy consumption may not be good for women with breast cancer, also showed that soy does not increase the risk of death among breast cancer patients receiving anti-estrogen therapy. The study, "Dietary isoflavone intake and all-cause mortality in breast cancer survivors: The Breast Cancer Family Registry," was published in the journal Cancer. While soy foods are healthy, many scientists have had concerns about women with hormone-receptor breast cancer consuming them. "Isoflavones—the component of soy that has estrogen-like properties—have been shown to slow the growth of breast cancer cells in laboratory studies, and epidemiological analyses in East Asian women with breast cancer found links between higher isoflavone intake and reduced mortality," Fang Fang Zhang, MD, PhD, of the Friedman School of Nutrition Science and Policy at Tufts University, said in a press release. But "other research has sugge
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