Oy, Soy! Does Soy Put Your Health At Risk?

Green Prophet

Miriam Kresh | February 8th, 2011 |

Hannah’s thoughtful post on increased breast size in modern women made me think of the effect of soy on hormone stimulation. The theory that genetically-modified, unfermented soy products stimulate estrogen flow production is gaining ground, paired with what we know about GM foods’ effect on our health in general. See our post on GM foods’ effects on fertility and sexual health.

This disturbing study on GM foods from the Institute for Responsible Technology site may be a fresh eye-opener, but others are aware of changes in world health due to diet. An article on the Museum of Menstruation and Women’s Health shows that today’s girls enter puberty six months earlier than their mothers did and mentions the presence of phyto-estrogens in today’s food. I became interested in the effect of soy on health when my children’s pediatrician told me she had patients nine years old who were already menstruating. My curiosity was piqued further when two mothers of young girls told me that their daughters had adult-sized breasts at the age of nine. All the children regularly ate soy “shnitzels,” patties of compressed soy protein boosted with fat and flavorings.

Obviously, more than one factor is at play in precocious maturation. Soy is only one possibility. Although it seems likely that soy-based baby formulas in China contribute to premature breast growth, more studies are needed to support the idea. We do know that body fat, genetics, hormones absorbed from food, even hotter world temperatures, and other factors, play roles in human maturation.

And yet. Consider how much GM soy is present in foods you pick up at the supermarket. Starting from baby formula (and we know that breast is best), some form of soy is present in about 60% of processed foods. At my local grocery store, even frozen ground beef has “vegetable protein” – soy – in it. Soy is popular with industrial food producers as a filler because it’s cheap and its taste can be altered to imitate popular flavors. Kids love soy shnitzels, especially slathered with ketchup.

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Author: Leslie Carol Botha

Author, publisher, radio talk show host and internationally recognized expert on women's hormone cycles. Social/political activist on Gardasil the HPV vaccine for adolescent girls. Co-author of "Understanding Your Mood, Mind and Hormone Cycle." Honorary advisory board member for the Foundation for the Study of Cycles and member of the Society for Menstrual Cycle Research.