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Posted

Semen quality is a much-discussed subject among scientists these days. Data suggests sperm concentration has been declining in Western countries over the past couple of decades - and reasons for the decline are debatable.

The lead author of a new study on the subject, Audrey Gaskins, has been studying the effects of diet and exercise on semen for several years as a doctoral candidate at the Harvard School of Public Health. Her latest research shows a lack of physical activity

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Posted

And what is the reason ?

Spermatozoons all decide to colectively kill themselves after realising TV shows are now for the most part crap and the good ones get axed after one season ?
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Posted

It actually depends on how much Jersey Shore youve watched in the last 5 years... Im safe ;)

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Posted

It's more natural selection.

The West is for some parts very over populated and a reduction in numbers seems good.

Though the U.K. due to mass immigration has a birth rate way above average.

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Posted

[quote name='LaP' timestamp='1360031513' post='595501890']
And what is the reason ?

Spermatozoons all decide to colectively kill themselves after realising TV shows are now for the most part crap and the good ones get axed after one season ?[/quote]

My bet: overheating.

The testicles have to be kept at a lower than body temperature for sperm development to progress normally, which is why men have a scrotum instead of internalizing them.

It's possible that sitting on a foam & fabric cushion for hours at a time not only presses the testicles closer to the body but it also insulates them, raising their internal temperature. Not good as regards sperm development.

My $0.02.
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Posted

Radiation emitting from old CRT TVs'.

Also contributing factors are TV Channels such as MTV, E! & SyFy too name a few, with TV shows like Jersey Shore and Keeping up with the Kardashians along with non stop WWE Wrestling.
have been known to also reduced Testosterone levels in adolescent males.

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Posted

Everyone who is concerned about sperm count should watch this documentary by CBC:

[url="http://www.cbc.ca/documentaries/doczone/2008/disappearingmale/"]http://www.cbc.ca/do...sappearingmale/[/url]


[quote name='LaP' timestamp='1360031513' post='595501890']
And what is the reason ?
[/quote]

A male body needs testosterone to produce sperm.

Testosterone is derived from cholesterol. The primary source for cholesterol is meat/fish.

In order for the body to convert cholesterol to testosterone, our muscles need to be working - we must be walking, running, jumping - doing all sorts of physical activities to stay healthy.

Accordingly, seating on a couch in front of a TV gives zero work to our muscles => testosterone isn't produced => sperm count is lowered.

[quote name='DocM' timestamp='1360052707' post='595502094']
My bet: overheating.

The testicles have to be kept at a lower than body temperature for sperm development to progress normally, which is why men have a scrotum instead of internalizing them.
[/quote]

You are right. Wearing tight jeans is another hazard for the males because of the testicular overheating.

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Posted

Does it still happen if it's porn you're watching on TV? lol!!
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Posted

China needs more TVs.
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Posted

is it the same with PCs?

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Posted

[quote name='Hum' timestamp='1360074366' post='595502550']
China needs more TVs.
[/quote]

Billions more, at that. :D

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Posted

I watch two shows a week on my 19" Sony.

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