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Topic: Sperm counts plummeting (Read 289 times) previous topic - next topic

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  • VoxRat
  • wtactualf
Sperm counts plummeting
"I understand Donald Trump better than many people because I really am a lot like him." - Dave Hawkins

  • VoxRat
  • wtactualf
Re: Sperm counts plummeting
Reply #1
Link to the actual paper:

Temporal trends in sperm count: a systematic review and meta-regression analysis.
Quote
Conclusion
In this comprehensive meta-analysis, sperm counts whether mea- sured by SC or TSC declined significantly among men from North America, Europe and Australia during 1973-2011, with a 50-60% decline among men unselected by fertility, with no evidence of a 'lev- eling off' in recent years. These findings strongly suggest a significant decline in male reproductive health, which has serious implications beyond fertility concerns. Research on causes and implications of this decline is urgently needed.

It's a meta-analysis, so it's not possible to dissect whether the decline is across the board, or driven by particular subpopulations.
"I understand Donald Trump better than many people because I really am a lot like him." - Dave Hawkins

Re: Sperm counts plummeting
Reply #2
Monsanto :whyyou:
Love is like a magic penny
 if you hold it tight you won't have any
if you give it away you'll have so many
they'll be rolling all over the floor

  • borealis
  • Administrator
Re: Sperm counts plummeting
Reply #3
micro plastics and pesticides.

Re: Sperm counts plummeting
Reply #4
I knew those visitors from outer space were up to something!  :staregonk:  :whyyou:

Believer in High Powers, and naturally, logarithms.
Pikkiwoki is the one true god.

  • ffejrxx
Re: Sperm counts plummeting
Reply #5
#potential lives matter

  • RAFH
  • Have a life, already.
Re: Sperm counts plummeting
Reply #6
#potential lives matter
#potential lives matter not
Are we there yet?

  • Monad
Re: Sperm counts plummeting
Reply #7
The human race is so cofveved

  • RAFH
  • Have a life, already.
Re: Sperm counts plummeting
Reply #8
The human race is so cofveved

Perhaps, but when it's over, we'll swallow and be licking our lips in anticipation of the next encounter.
Are we there yet?

  • ppnl
Re: Sperm counts plummeting
Reply #9

Simple effect of age?

 Or maybe the availability of porn has made men... depleted. Lock a bunch of men up with no access to porn putting them in a preinternet state. You know. Horny. Then test them. Since you are unlikely to get volunteers you will have to kidnap homeless people to experiment on. For science!

Re: Sperm counts plummeting
Reply #10
Only Muslim men can save us!  :happydance:
Believer in High Powers, and naturally, logarithms.
Pikkiwoki is the one true god.

Re: Sperm counts plummeting
Reply #11
micro plastics and pesticides.

nah. more likely it's higher levels of hormone analogues in municipal water sources (especially from high birth control pill usage) and/or in diet, particularly given that soy (which is becoming an increasingly large part of the global diet) contains estrogen analogues that are known to interfere with sperm production.

Doubt this is going to have major impacts on world fertility rates though. It's not like we're suddenly facing down a serious fertility crisis.

  • VoxRat
  • wtactualf
Re: Sperm counts plummeting
Reply #12
Doubt this is going to have major impacts on world fertility rates though. It's not like we're suddenly facing down a serious fertility crisis.
I'm not terribly concerned about fertility rates.  It just seems like sort of a canary in a coal mine type of clue that something's seriously amiss.
"I understand Donald Trump better than many people because I really am a lot like him." - Dave Hawkins

Re: Sperm counts plummeting
Reply #13
amiss? sure.

seriously amiss? nah.

  • meepmeep
  • Administrator
  • zombiecat queen
Re: Sperm counts plummeting
Reply #14
micro plastics and pesticides.

nah. more likely it's higher levels of hormone analogues in municipal water sources (especially from high birth control pill usage)

Except EE2 from contraception and HRT isn't the biggest source of estrogens in water sources. A lot more comes from natural and synthetic estrogens from livestock waste, from fertilizer, and from industrial shit like bisphenol-A and surfactants. EE2 is more potent, but the sheer volume of other estrogenic compounds compared to the small amount of EE2 makes me skeptical of laying the blame solely at the feet of the birth control pill.

  • RAFH
  • Have a life, already.
Re: Sperm counts plummeting
Reply #15
micro plastics and pesticides.

nah. more likely it's higher levels of hormone analogues in municipal water sources (especially from high birth control pill usage)

Except EE2 from contraception and HRT isn't the biggest source of estrogens in water sources. A lot more comes from natural and synthetic estrogens from livestock waste, from fertilizer, and from industrial shit like bisphenol-A and surfactants. EE2 is more potent, but the sheer volume of other estrogenic compounds compared to the small amount of EE2 makes me skeptical of laying the blame solely at the feet of the birth control pill.

I'm sorry Meep, but to avoid total collapse of humanity, or at least Western Culture, you must be pregnant at all times.
And barefoot. At all times.
Are we there yet?

Re: Sperm counts plummeting
Reply #16
yeah fair. point is there's a lot of stuff in water sources. not singling any specific source out to say "ohno we need to eliminate this"

Re: Sperm counts plummeting
Reply #17
First they put chemicals in the water that turned the freaking frogs gay, but I was not a frog, so I said nothing.

Re: Sperm counts plummeting
Reply #18
I wish we could figure out what chemicals to put in the water to make you stop posting

Re: Sperm counts plummeting
Reply #19
just kidding, it's arsenic

  • MikeS
Re: Sperm counts plummeting
Reply #20