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History of exercise helps prevent heart disease after breast cancer

New research finds eating soy milk edamame and tofu does not have harmful effects for women with breast cancer as some have worried. In fact for some breast cancer survivors soy consumption was found to be tied to longer life

It was revealed at the end of the research that women who consumed high proportions of isoflavones were at a lesser risk of succumbing to death by 21 percent, when compared to women who took in low amounts of the same. To clarify this issue, the researchers analysed consumption of isoflavone by 6,235 women who had breast cancer.

Though getting your hair coloured may feel nice for a while but it exposes you to the risk of breast cancer, just like using hormonal contraceptives do, warn researchers.

Overall survival was 88 per cent for women with no pregnancy, 82 per cent for those with breast cancer while pregnant, and about 97 per cent for women who got pregnant six months or more after a breast cancer diagnosis. The trial tracked over 60,000 women aged from 55 to 69, for a period of 20 years.

Due to the study's large sample size, researchers were able to evaluate across different ethnicities and subtypes of breast cancer.

Dittus also says patients can consume soy foods, and the less processed the soy foods are the better. "We now have evidence that soy foods not only prevent breast cancer but also benefit women who have breast cancer", Kucuk concludes.

"That is a really important message when we're talking about pregnancy and cancer, making sure that you have that option available".

The decrease in risk was largely limited to patients with hormone receptor-negative tumors and women who have not undergone anti-oestrogen therapy.

"For many women, the benefits of having the pregnancy far outweigh the potential risks of their cancer", agreed Shapiro, who was not involved in the study.

However, that's a choice some women who want a family make, despite the risk of recurrence.

"The biggest risk factor in breast cancer is high age, and known lifestyle-related risk factors include late age at first birth, small number of children, high alcohol consumption and sedentary lifestyle", Sanna Heikkinen from the University of Helsinki in Finland, said in her dissertation.

And for some breast cancer survivors, soy seems beneficial. However death rates for female breast cancer are steadily declining, particularly in the age group between 50 and 69 years (-1.9% per year).

However, that's unproven at this point, he said, and would need more research.