Soy foods 'reduce sperm numbers'

BBC ^ | July 23, 2008 | Grant Junkie

[Eric Blair 2084]

A regular diet of even modest amounts of food containing soy may halve sperm concentrations, suggest scientists. The study, published in the journal Human Reproduction, found 41 million fewer sperm per millilitre of semen after just one portion every two days. The authors said plant oestrogens in foods such as tofu, soy mince or milk may interfere with hormonal signals. However, a UK expert stressed that most men in Asia eat more soy-based products with no fertility problems.

Oestrogenic compounds in food or the environment have been of concern for a number of years, but we have mostly thought that it was boys exposed in the uterus before birth who were most at risk Dr Allan Pacey Sheffield University Animal studies have suggested that large quantities of soy chemicals in food could affect fertility, but other studies looking at consumption in humans have had contradictory findings. The Harvard School of Public Health study looked at the diets of 99 men who had attended a fertility clinic with their partners and provided a semen sample. The men were divided into four groups depending on how much soy they ate, and when the sperm concentration of men eating the most soy was compared with those eating the least, there was a significant difference. The "normal" sperm concentration for a man is between 80 and 120 million per millilitre, and the average of men who ate on average a portion of soy-based food every other day was 41 million fewer. Dr Jorge Chavarro, who led the study, said that chemicals called isoflavones in the soy might be affecting sperm production. These chemicals can have similar effects to the human hormone oestrogen.

[Eric Blair 2084]

Rush Limbaugh nailed this today. His thoughts were exactly the same as mine. Maybe I've been listening to him for so long that subconsciously I knew what he would make of this.

Who eats soy?

Radical vegetarians for the most part.

What political persuasion are PETA folks?

Leftists. Libs.

Who aborts their children?

Leftists. Liberals.

For all of the arguments against Darwinism, chalk this up as one for Darwin.

Maybe this nonsense will take care of itself in 600 years when all of the liberals are extinct.

[Eric Blair 2084]

Big Brother, Nanny State, Grant Junkie, Bogus Study, Junk Science, Social Engineering, Egalitarian, Central Planning, Sheeple Control, Health Nazi, Socialism, Collectivism

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[Texas Eagle]

UK expert stressed that most men in Asia eat more soy-based products with no fertility problems.

Well, yes, that would seem to contradict the experts' findings.

Oh, well. Back to the drawing board, boys.

Try lentils this time. That should be worth at least a ten million Euro grant I should think, wot?

[Natchez Hawk]

So that is why is there are a billion Chinese?

[Eric Blair 2084]

Your common sense will ruin any chance that eggheads like this will ever get any more of your tax dollars to waste on studies.

Please shut up. They have families to feed too. :-)

[max americana]

Then I’ll avoid soy and stick to the American diet...

Cheeseburgers, beer. steak and hot chicks.

[Little Pig]

And, there are only a billion (just over, actually) because their government wiped out significant percentages of the population a couple of decades ago, and also forcibly restricts families to one child each. And further, the majority of the soy is eaten by the rural population, which is where the majority of the growth is coming from.

[Clemenza]

Ping!

[Texas Eagle]

Heh, heh. Back to The Principal's office I go.

No need for directions. I know the way by heart.

[Coleus]

.

[Natchez Hawk]

Bingo!

[M203M4]

isoflavones in the soy might be affecting sperm production. These chemicals can have similar effects to the human hormone oestrogen.

No way, this is an incredibly weak effect. Something as significant as a 40 out of 80-120 drop in sperm count cannot be solely due to isoflavones. More likely is that the overall diet correlated with high consumption of soy is the culprit. Reduced sperm counts (and low testosterone in general) are common;y due to diets low in fat, especially diets low in cholesterol (yes, cholesterol is NECESSARY, for males especially). Eggs, red meat, and shellfish are all likely lacking in a large number of diets of those consuming lots of soy products.

So nothing is wrong with soy, per se. The problem is cutting out important protein and fat sources from one's diet.

[Eric Blair 2084]

Ironically, this is one of those bogus studies that I wish were true.

The thought of PETA men firing blanks or PETA women...well, forget it. They don’t want to get pregnant. It increases their carbon footprint and adds to a world that eats animals...it’s probably best they take themselves voluntarily out of the gene pool.

[Eric Blair 2084]

Dude, you are too smart. Seriously.

Take a step back and try to get the joke. If you take this nonsense too seriously you will make yourself physically ill and just get angry.

[Disambiguator]

The thought of PETA men firing blanks or PETA women...well, forget it. They don’t want to get pregnant. It increases their carbon footprint and adds to a world that eats animals...it’s probably best they take themselves voluntarily out of the gene pool.

One of my favorite enviro-lib-whacko organizations.

[TigersEye]

Good! Just one more way tofu eating liberals reduce their numbers. ; )

[Mr. Brightside]

ELAINE: Listen, Kramer, you know, if you ever want to have kids you shouldn’t wear briefs. Boxers are much better for your sperm count.

KRAMER Sperm count? Well how many ssssperm should I have?

ELAINE: A lot.

[Texas Eagle]

The thought of PETA men firing blanks or PETA women...well, forget it.

PETAmen don't like PETAwomen. They're icky.

[Gabz]

Real men do eat tofu .........and quiche!

Juat ask my husband.........and our 10yo daughter :)

Quiche just happens to be the dinner menu for tomorrow — crabmeat, cheese and spinach quiche to be exact.

[Larry Lucido]

A soy diet on a date probably seriously reduces your chance of getting laid.