Study: Soy foods don't increase breast cancer risk

April 8, 2011 8:59:33 AM PDT
For years, breast cancer survivors were told to avoid soy foods and supplements because of estrogen-like effects which could cause breast tumors to grow.

Now, a new study shows that eating soy foods might not increase risk of breast cancer recurrence.

Researchers from Vanderbilt University Medical Center in Nashville analyzed data from four large studies of women with a history of breast cancer diagnosed between ages 20 and 83.

The study involved more than 18,000 women who ate soy foods, but did not take supplements.

They found that the odds of breast cancer recurrence were not increased among women who consumed the equivalent of one glass of soy milk or a half cup of tofu each day.

The findings are being presented in Florida at the annual meeting of the American Association for Cancer Research.

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