"There has been data for quite a long time suggesting individuals who consumer a higher soy diet are at lower risk of developing breast cancer", says Dittus.
Narod said young women being treated for breast cancer often ask their doctors if it's safe for them to have a baby following treatment for the disease. In the study published by medical journal Cancer, researchers gathered and analyzed data from 6,235 American and Canadian women with breast cancer.
Approximately 20% of breast cancers are of the hormone receptor-negative (HR-) variety, which is more aggressive and has a lower survival rate than hormone receptor-positive (HR+) cancer.
Dr. Karen Glass, a reproductive endocrinologist and infertility specialist at Toronto's Sunnybrook Health Sciences Centre, said the study confirms what some previous research has found about breast cancer and pregnancy.
Hamer and Warner emphasized that these recommendations are not guaranteed to stop breast cancer recurrence, but regardless if exercise changes the prognosis, patients can benefit from improving their overall health.
We now have evidence that soy foods not only prevent breast cancer but also benefit women who have breast cancer.
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For now, she says "soy seems to be safe" at the levels women in the USA typically consume it, "and it could be beneficial for some women who have had a diagnosis of breast cancer".
"That is a really important message when we're talking about pregnancy and cancer, making sure that you have that option available".
On today's edition of "The Doctors", the doctors discuss a potential incredible breakthrough when it comes to the different issues related to breast cancer.
The decrease in risk was largely limited to patients with hormone receptor-negative tumors and women who have not undergone anti-oestrogen therapy.
In Italy, the number of cases of breast cancer is increasing. None of the women who followed a Mediterranean diet suffered a recurrence of the disease. Heart disease is the leading cause of death in the United States, and women who have been diagnosed with early-stage breast cancer face a markedly increased risk of heart disease compared to the general population.