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Pro and con of soy estrogen

The estrogen hormones contained within soy products have been the subject of an ongoing scientific debate for years.

Soybean foods such as tempeh, soybeans, soy milk, and miso may be the best foods around for relieving the symptoms of menopause and protecting women against breast cancer. They may also help protect men against prostate cancer.
Some research suggests the isoflavones (genistein and daidzein) a class of plant estrogens contained within soybeans, are beneficial for health.
The soy isoflavone genistein and daidzein are similar to 17 beta-estradiols, but are 100,000 times weaker in estrogenic activity and are therefore weak estrogens.
Although these isoflavones are weak estrogens, people who eat a lot of it can have their blood level of isoflavones as mush as 10,000 times higher than those who do not consume soy.

What are the bad components in soy?

The isoflavones from soy is used in the manufacture of insecticides. This should leave us wondering whether it can be very healthy to the human body when it does the exact opposite to bugs and insects.

Cancer comes from having too much estrogen, a condition medically referred to as estrogen dominance.

Unfortunately clinical trials have been ambiguous, and in some cases extremely contradictory. Opposing studies imply that isoflavones could be harmful and produce negative effects on the human body.

They say that high concentrations of isoflavones in the body can have a significant cumulative estrogenic and toxic effect, especially when they are exposed to organs that have sensitive estrogen receptors sites such as the breast, uterus, and thyroid.

Estrogen dominance is associated to irritability and mood swings, fat gain from the waist down, fibrocystic breast disease and uterine (fibromas).
Pros and cons are continuing to arise over soy products.

With all this controversy, we can only hope the ongoing research of soy estrogen within the medical community will produce encouraging conclusions.

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Soybeans contain isoflavones (daidzein and genistein), which help reduce cholesterol levels, fight cancer, increase bone density, and reduce menopausal symptoms.

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One Response to “Pro and con of soy estrogen”

  1. Soy benefits for menopause and bone loss | Vitamin and mineral supplements on February 1st, 2010 12:43 am

    […] soy isoflavones are believed to bind at the estrogen receptors and act as mild agonists for estrogen in postmenopausal women, thus alleviating some menopausal […]

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