Nutty Science Claim: CO2/global warming shrinking men’s testicles

From the correlation is not causation department, and Mother Jones, comes this absurdity:

A new study from researchers in California has reached some astonishing new conclusions. An interdisciplinary team composed of members from physics, physiology, statistics, and atmospheric sciences began with results from a metastudy of sperm concentration in men. 

This study (chart on left) confirmed that sperm concentrations have been declining since the early 70s. At the same time, measurements from the Mauna Loa Observatory show that CO2 concentrations in the atmosphere have been rising during the same period (chart on right):

 After validating a parameterless model based on surprisingly common consumer software packages, the team derived a transformation equation based on τ = 1 at 1973 for the Mauna Loa data:

y =  π +κx, where π = -238 and κ = -ln(11)

As the authors put it, “Our global manhood is being steadily shriveled into effeminancy by our huge and rising emission of carbon dioxide into the atmosphere.


Riiiighht….

The paper:

Temporal trends in sperm count: a systematic review and meta-regression analysis.

BACKGROUND Reported declines in sperm counts remain controversial today and recent trends are unknown. A definitive meta-analysis is critical given the predictive value of sperm count for fertility, morbidity and mortality. OBJECTIVE AND RATIONALE To provide a systematic review and meta-regression analysis of recent trends in sperm counts as measured by sperm concentration (SC) and total sperm count (TSC), and their modification by fertility and geographic group.


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86 Comments
Gary Ashe
October 8, 2018 2:11 pm

Yeah righto, shrinking knackers indeed.

All global warming does for my knackers is make them hang like a turkeys neck, i just wear longer shorts like African blokes with sweaty b0ll0 x wear.

David Snope
October 8, 2018 2:11 pm

Wow, they decide to correlate to CO2 without even acknowledging the most obvious product that shrinks manhood:

comment image

October 8, 2018 2:12 pm

Our global manhood is being steadily shriveled into effeminancy by our huge and rising emission of carbon dioxide into the atmosphere.

That should make all those people complaining about “toxic masculinity” demand more global warming now.

Bryan A
October 8, 2018 2:17 pm

Well, AlGore needs some excuse since Shrinkage was proven, via Seinfeld, to be caused by Cold Conditions. His less than adequate brass must be due to CO2.

London247
October 8, 2018 2:31 pm

It’s true. Also I played my Judas Priest records backwards and killed myself.

RDB
October 8, 2018 2:31 pm

My balls HAVE shrunk. I just thought it was old age……

October 8, 2018 2:50 pm

I blame high fructose corn syrup. And possibly fluoridation. Can I get some grant money please?

October 8, 2018 3:03 pm

They have not demonstrated correlation, at all.

dmacleo
October 8, 2018 3:08 pm

well…got varicocele issues so would welcome that
https://www.mayoclinic.org/diseases-conditions/varicocele/symptoms-causes/syc-20378771
sadly mine isn’t the non painful type and have had 2 surgeries for it.
so…bring it on.

petermue
October 8, 2018 3:10 pm

CO2 – what a wonderful gas it is.

Craig from Oz
October 8, 2018 3:12 pm

Soy Boy

Geoff Sherrington
October 8, 2018 3:28 pm

My lifestyle for the last 50 years has been tailored to testicle size reduction. Same as I have minimised fat in my diet and on my body. A large sperm volume is like a big beer gut, something best to do without. It is the quality of sperm that needs to be measured for correlations.
Remember the 1970s feminist cry “Assert your rights! Make him sleep in the wet spot.” Again, the aim is to minimise sperm volume, or rather the volume of messy, fatty liquid carrying the sperm.
Especially so if you are environmentally sensitive and you reject condoms because after one-off use they are thrown away to pollute the oceans, worse than plastic drinking straws and not interchangeable.
Sperm management is not a hard concept, you just have to work it out between you. Geoff

October 8, 2018 3:42 pm

You’ve all got it wrong:

The correct causal relationship is between the rise of radical feminist activism and the reduction of sperm count.

The rise in CO2 caused more women to become feminists, which, in turn, turned off more men, who substituted eating more for pursuing women, which led to increased male obesity, and so on down to the final result of decreasing sperm count.

ShanghaiDan
October 8, 2018 4:21 pm

Hmmm….

CLANG CLANG CLANG

Nope. Still big and brassy!

October 8, 2018 4:41 pm

1921 USA: 271 men avg. count 100million sperm/ml; half over 100million/ml. 1938 USA:
200 men avg. 120million/ml; 25% less than 60million/ml. 194? USA: 49 men avg. 145million/ml; range 50-321million/ml. 1950 USA: 100 men avg. 100.7million/ml. 1951 USA: 1,000 men avg. 107million/ml; 44% >100milliom/ml, 24% 20-60million/ml & 5%100million/ml.

Not exactly sure comparative ages sampled &
believe men were fertile; the 1951 data pool
is largest cited. There were reports in a few countries in the 1990’s about approx. 50%
lower sperm counts even then. I’m not parsing
age of those tested in different studies.

If we accept 1951 USA downward trend data then the declining
sperm count can not be blamed on soy derived
products estrogenic potential, high fructose corn syrup or plastic compounds. Of course
these may be relevant now.

Reply to  gringojay
October 8, 2018 11:03 pm

It was obviously the above-ground nuclear testing that did it.

Or more men wearing Speedos.

simple-touriste
October 8, 2018 5:21 pm

Yes, it’s pathetic.

But the “believers” in “science” aka pro-“science” aka highly “intelligent” and “educated” people aka “fact” believers aka “rationalists” aka “skeptics” accept that vaccines caused decrease of infectious diseases with much less evidence.

Bill Murphy
October 8, 2018 5:26 pm

Obviously true! During the last glaciation CO2 was down to 180ppm and men were routinely hunting Woolly mammoth with wooden spears and defending their homes and families against leopards and saber tooth tigers with clubs and stone axes. Now when CO2 is >400ppm how many men have the stones to do that? I’ve never hunted anything more dangerous than a Jack rabbit and used a rifle for that. Masculinity has clearly declined with CO2 increase. /sarc as if you didn’t know.

Strayhorse
October 8, 2018 5:52 pm

It is no secret that there are a large number of misandrists that are seeking to eliminate males from this world. These misandrists have openly declared their contempt for men and their desire to rid the world of men. What a better way to avoid the label murder/genocide than to slowly cook the sperm out of males so no new males are born. Misandrist are a extreme danger to all humankind.

Joey
October 8, 2018 6:13 pm

No…..it’s not global warming that is shrinking men’s testicles…it is liberalism that is doing so.

Big Bob
October 8, 2018 6:49 pm

How can that be. I’ve grown a third one now.,

e_deploribus_unum
October 8, 2018 7:16 pm

Oh, so now we have to worry about “global warming” shrinking men’s testicles? I thought (((Feminism))) was bad enough!

George Lawson
Reply to  e_deploribus_unum
October 9, 2018 1:58 am

and to think, for years, my wife has put it down to my age!!

observa
Reply to  George Lawson
October 9, 2018 4:34 am

This man is clearly a victim of climate change. Give him some renewable energy credits and send him home to bed. Next…

October 8, 2018 8:40 pm

Oh no 🙁

Now I know what my problem is 🙁

High Treason
October 8, 2018 9:31 pm

Note-it is sperm concentration IN men. Implies (what do you expect in California) that the sperm has been delivered in to men.

Looks like CO2 increases have made them gay.

At least fertility is simply not an issue.

J.H.
October 8, 2018 9:39 pm

So… The Soy Bois are measuring each other’s balls are they? Well that figures.