Though I’d prefer to witness a Katy Perry shocker, this will have to suffice.
For those of you who hadn’t yet noticed, this blog focuses on the unconventional.  As such, soy’s a pretty good topic for investigation, as it’s a fairly unorthodox source of protein for a non-herbivore.  Given that both sides of the soy debate have dragged out their gigantic, Goebbels-esque propaganda machines, investigation of this issue gets even more interesting.  On one side you have vegetarians, the government, and massive chemical-agricultural companies.  These groups obviously have a vested interest in disinformation and obfuscation of any evidence pointing to the idea that soy is deleterious for one’s health, and a very pointed interest in painting soy as the ultimate protein source.  Derek Poundstone claims to eat soy protein in massive quantities, which makes sense, given that he’s sponsored by DuPont, who just built a new soy processing plant- the man makes chicken shakes… he’s not getting 25% of his fucking protein from beans.  Think it through.  On the other side of the debate, you’ve got a bunch of people who are afraid of growing man-tits, and have seen enough studies showing soy to cause health problems to be rightfully scared, especially given that our current living environment is literally awash in xenoestrogens.
Female urine is high in estrogen, especially if they’re on the pill.  As such, make sure you’re taking anti-e’s if you let chicks piss in your mouth on a regular basis.

To wit, here’s what happens when animals are exposed to high levels of environmental estrogens:

“An upsurge in the number of male fish growing female reproductive parts is sounding an alarm bell for the dangers of pollutants and estrogen-like compounds in U.S. rivers, where millions of Americans get their drinking water, environmental experts say.
A recent survey of bass in the Potomac River, a major tributary in the nation’s capital, found almost 100 percent of the smallmouth bass species were feminized, or had eggs in their testes. In largemouth bass the incidence of feminization was lower, but still highly prevalent.

Some evidence has suggested the chemicals also have a cumulative effect — at low concentrations, it might take a month or two for the fish to be affected.
Kolpin examines a multitude of chemicals considered emerging contaminants, and some of the most egregious offenders are pills, which may also contain estrogen-like compounds. Drugs provide immeasurable benefits to human health, but there may be a downside, he said. Consumers get little guidance as to how to dispose of unused medication.
Leftover pills flushed down the toilet end up in the sewage system, and medication thrown in landfills could leach into groundwater. Sediments in riverbeds are also highly concentrated areas of emerging contaminant pollution” (Dell’amore).
Imagine a fish that has this going on.

In another study:

“In one lake,” he explains, “they treated it with the pharmaceutical that’s in most birth control, in a concentration of six parts per trillion — similar to what we often see in wastewater effluent, although Boulder’s wasn’t quite that high. They treated it for three years in that concentration, and within two years, they’d virtually wiped the fish out of this lake, because the females couldn’t make eggs, and the males were so busy making female protein that they weren’t making any sperm.”

Shit like this is why I think we should all don our fucking tinfoil hats and say fuck the soy- we’ve got enough xenoestrogens in our water to make us impotent anyway.  Have you noticed at the degree to which infertility and erectile dysfunction has risen and birthrates have dropped in the developed world recently?  Why add insult to injury?  And what are the studies showing these insults?
In one study of 42 healthy adult males, 

“Diets were isoenergetic, with either 150 g lean meat or 290g tofu daily providing an equivalent amount of macronutrients, with only the source of protein differing between the two diets. Each diet lasted for 4 weeks, with a 2-week interval between interventions. Blood concentrations of sex hormones did not differ after the two diets, but the mean testosterone:oestradiol value was 10 % higher after the meat diet. SHBG was 3 % higher; whereas the FAI was 7 % lower; after the tofu diet compared with the meat diet. There was a significant correlation between the difference in SHBG and testosterone:oestradiol and weight change” (Habito et al).  

This means that, at the very least, your test levels will be higher on a diet eating meat, even if soy doesn’t lower your test levels.
Another study describes the short-term effects of dietary phytoestrogens on regular behaviors like food/water intake movement and body weight, prostate weight, prostate health, reproductive hormone levels, and testicular activity in rats. The rodents were then fed either a phytoestrogen-rich diet or a phytoestrogen-free diet, and after 5 weeks the plasma phytoestrogen levels were 35 times higher in animals fed the phytoestrogen-rich vs phytoestrogen-free diets. Body and prostate weights were significantly decreased in animals fed the phytoestrogen-rich diet vs the phytoestrogen-free fed animals and plasma testosterone and androstenedione levels were significantly lower in the animals fed the phytoestrogen-rich diet (Weber, et al).  
The rub?  Sounds like a diet high in phytoestrogens lowers your test levels.  This finding was echoed in another study, which concluded that “soy protein, regardless of isoflavone content, decreased DHT and DHT/testosterone with minor effects on other hormones, providing evidence for some effects of soy protein on hormones” (Dillingham et al) .  A study of 69 Japanese men and soy protein also found a inverse correlation between soy intake and testosterone, however minor, and found that  “soy product intake may be associated with the endogenous hormone levels in Japanese men”  (Nagata, et al).
The Japanese anti-soy.
So, what about that estrogen?  For those of you who are unaware, soy has been prescribed to menopausal women for years as an alternative to estrogen supplements.  Let me restate that- soy is considered to be herbal estrogen.  Why, then, would they claim it’s not estrogenic?  It either is, or it isn’t.  Instead, the soy industry talks out of both side of their mouths, and no one seems to give a fuck.  “Women who are pregnant are warned to avoid high doses of plant estrogen” according to a site about breast cancer, and “scientists also caution women who have estrogen receptor positive (ER+) breast cancer that phytoestrogens may not be safe.”  
Intriguing- now soy’s not even good for chicks, due to the fact that it’s super fucking estrogenic (Flax).  A five year study at the University of Illinois, however, showed “that the positive or negative health consequences of exposure to soy isoflavones depend on the timing of the exposure (whether it occurs in early, mid, or late life), tissue type (breast or brain, for example), and dose.”(Yates)  Positive for non-preggo women, negative for men, I’m assuming.  I did find a study showing that isoflavone content is lower in fermented soy products, which is what the Japanese typically eat, than in unfermented products (like soy protein), which means that if you want to eat the soy in your miso soup, you could be fine with that.  It shows fairly definitively, though, that the US consumption of soy is a fucking highway to hell (Chien et al).
For those skeptics out there who still insist that the anti-soy campaign is nothing but ridiculous scare tactics, I challenge you to identify for whom these tactics are working.  Propaganda does not exist without a motive, and I fail to see one inherent in this movement, as there’s no danger whatsoever of the meat-farming industry going belly up.  Thus, think of this what you will, but I know that the only estrogens I plan to ingest are in female urine… provided I have clomid on hand.
You’d do it if she asked you to- and hers is probably high in test anyway.

Sources:

Habito RC, Montalto J, Leslie E, Ball M. “Effects of replacing meat with soyabean in the diet on sex hormone concentrations in healthy adult males.” Br J Nutr 2000 Oct;84(4):557-63.

Dell’amore, C. Growing Concern Over Estrogen-Like Compounds In US Rivers: The American lifestyle of materialism has left an indelible impression on U.S. waterways, and no one knows the exact repercussions.  Washington (UPI) Oct 18, 2006

Weber KS, Setchell KD, Stocco DM, Lephart ED.  Dietary soy-phytoestrogens decrease testosterone levels and prostate weight without altering LH, prostate 5alpha-reductase or testicular steroidogenic acute regulatory peptide levels in adult male Sprague-Dawley rats.
J Endocrin (2001) 170, 591-599
Dillingham B, McVeigh B, Lampe J,Duncan A. Soy Protein Isolates of Varying Isoflavone Content Exert Minor Effects on Serum Reproductive Hormones in Healthy Young Men. J Nutr. 2005; 135:584-591.
Nagata C, Inaba S, Kawakami N, Kakizoe T, Shimizu H.Inverse Association of Soy Product Intake With Serum Androgen and Estrogen Concentrations in Japanese Men.  Nut Cancer; 2000: 36(1) 14 – 18. 
Yates, D. Team to study health effects of botanical estrogens.  Genetic Engineering and Biotechnology News.  http://www.genengnews.com/keywordsandtools/print/2/93377528/
Is Flax the New Soy?  Breast Cancer A to Z.  http://www.a-zbreastcancer.com/articles/aflaxseed.htm

CHIEN HL, HUANG HY, CHOU CC. Transformation of isoflavone phytoestrogens during the fermentation of soymilk with lactic acid bacteria and bifidobacteria.  Food Microbio; 2006: 23(8) 772-778.

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