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Topic summary contributed by volunteer(s): Jim
Isoflavones in soy foods may help lower cancer risk including ovarian cancer and breast cancer (see also here). Research suggests that girls with a higher dietary isoflavone intake from soy foods are more likely to experience the start of puberty months later than girls with the lowest isoflavane intake. Research has also found that soy isoflavone may help prevent fat accumulation.
Eating too much soy may increase circulating IGF-1 levels, though.
The information on this page has been compiled from the research presented in the videos listed. Sources for each video can be found by going to the video’s page and clicking on the Sources Cited tab.
Certain gut bacteria can supercharge the benefits of soy foods, resulting in even more bone protection, better control of menopausal symptoms, and lower prostate cancer risk, but how can we foster the growth of these good bacteria?
What role do soy phytoestrogens play in the prevention and treatment of breast cancer?
Lignan intake is associated with improved breast cancer survival in three recent population studies following a total of thousands of women after diagnosis.
What happens when men with prostate cancer and prostatic intraepithelial neoplasia (PIN) are placed on a relatively low-fat diet, supplemented with ground flax seeds?
The early onset of puberty in girls associated with animal protein consumption may be due to endocrine-disrupting chemical pollutants in the meat supply.
Vegans consuming 7 to 18 servings of soy foods a day may end up with circulating IGF-1 levels comparable to those who eat meat.
All three human studies on soy and breast cancer survival suggest that soy in sufficient amounts may improve survival in women diagnosed with breast cancer.
There are thousands of flavonoid phytonutrients in fruits, vegetables, and other whole plant foods missing from the nutrition labels that may play a role in delaying the onset of Alzheimer’s disease.
Which has the highest levels of beneficial phytonutrients: baking chocolate, chocolate syrup, cocoa powder, dark chocolate, milk chocolate, or semi-sweet chocolate?
To prevent a recurrence, should breast cancer survivors on Tamoxifen seek, or snub, soy?
Endocrine-disrupting xenoestrogens in fish may be interfering with male fertility.
The phytoestrogens in soy appear to protect against cancer, but might they reduce male fertility?
