Can too much soy be bad for girls/women?

Posted on: Mon, 02/19/2007 - 7:04am
yuck2nuts's picture
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Joined: 02/28/2002 - 09:00

My PA daughter has been eating a lot of soy products for years now (soynut butter, soy milk because of dairy issues, etc.). I've heard the soy contains natural estrogens. Should I be worried about giving her too much? Can this cause an early onset of puberty? As for me, should I be worried about eating too much (being in my 40's and pre-menopause) from it possibly causing cancer, etc.?

I was just curious what other people had heard or considered.

Posted on: Mon, 02/19/2007 - 7:17am
Mama's picture
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Joined: 05/12/2004 - 09:00

We actually just discussed this with our pediatrican last month. He says it may induce early puberty in girls. Our neices have been drinking soy for many years (oldest is 8.5yrs) and no signs of any change yet. What does early mean? Recent reports are saying that girls are getting their period as early as 7 years old and not due to soy. So who knows what the cause is?
Also heard that it can cause cancer in women who are in menopause and post men.
Curious to see what others read and heard.

Posted on: Mon, 02/19/2007 - 8:34am
ajgauthier's picture
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Joined: 04/13/2005 - 09:00

Quote:Originally posted by Mama:
[b]We actually just discussed this with our pediatrican last month. He says it may induce early puberty in girls. Our neices have been drinking soy for many years (oldest is 8.5yrs) and no signs of any change yet. What does early mean? Recent reports are saying that girls are getting their period as early as 7 years old and not due to soy. So who knows what the cause is?
Also heard that it can cause cancer in women who are in menopause and post men.
Curious to see what others read and heard.[/b]
the cancer concern is for those who have a disposition to have breast cancer...as in...if it's already in the family. After my mom was diagnosed and received treatment, her doctor told her to avoid soy products like soy-enhanced cereals, grains, tofu, milk, etc.
Me and my sister are now also avoiding blatant soy products (like milk and tofu), but are not avoiding soy that's just in regular foods.
Adrienne

Posted on: Mon, 02/19/2007 - 11:21am
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Joined: 02/04/2006 - 09:00

We avoid blatant soy products, too. I lived through several years of horrible pain from endometriosis and the estrogen-mimicking chemicals in soy were cited as something I should avoid. So, I'm not so sure if it is good to over-do it, but it's just based on my own conclusions from research I've read.
Since endo may be genetic and I have 2 little girls, no super-soy products for them either.
DH is actually allergic to soy so we probably eat much less than average.
Patty

Posted on: Mon, 02/19/2007 - 11:51am
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Joined: 05/28/2009 - 16:42

I've heard the concern is for people taking massive amounts of isoflavone supplements. If you're getting it through food, I would think that you are eating an okay amount. Remember that Chinese culture traditionally has included tons of soy in the form of tofu, and the Chinese have had an extremely low cancer rate----until recently, when their food has become more Westernized and soy consumption has decreased and meat consumption has increased.

Posted on: Mon, 02/19/2007 - 12:50pm
Julius7us's picture
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Joined: 10/19/2004 - 09:00

What about boys drinking soy milk?

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