SIGforum
Guys: Get cut, live longer. (Castration and longevity.)

This topic can be found at:
https://sigforum.com/eve/forums/a/tpc/f/320601935/m/6050057225

November 04, 2026, 02:28 PM
sigfreund
Guys: Get cut, live longer. (Castration and longevity.)
It’s actual science: Mice that were castrated lived longer than unmodified males, and especially if conducted in later life.

The reason behind it is not clear, but some compelling evidence indicates males are betrayed by their testes. A 1969 study of people with intellectual disabilities in a mental institution who had been involuntarily castrated suggests removing the organs can add more than a decade to life. And a 2025 analysis of data for 22 vertebrate species found a consistent longevity boost from castration. ...

The scientists castrated male mice from the same strain before puberty, shortly after puberty, or when they were 240-day-old adults—roughly equivalent to 30-year-old humans. All three groups lived longer than males used as controls that had undergone mock operations and retained their testes.

However, mice that were neutered as adults gained the most. The procedure stretched their lives by about 33%, compared with 19% and 26% increases, respectively, for the animals fixed before or after puberty. …

[T]he older mice benefited almost immediately from removal of their testes. None of them died for more than a year after the procedure—a “pretty striking” change given that the mortality rate for mice of this age is normally climbing, he says.


The article discusses how testes are considered to have harmful effects in later life even among men.

LINK




“Most men … can seldom accept the simplest and most obvious truth if it … would oblige them to admit the falsity of conclusions … which they have woven, thread by thread, into the fabrics of their lives.”
— Leo Tolstoy
November 04, 2026, 02:35 PM
TigerDore
Will a man really live longer, or will it just seem like it?

I love sex...with my wife.

Ride 'em cowboy. Let me go out with my boots on.


A good counterpoint: a circumcised castrated man will get to keep his money. (But what would he spend it on?)

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November 04, 2026, 02:38 PM
BigSwede
You can't have my huevos Sigfreund


November 04, 2026, 02:40 PM
konata88
More than the results, I’m curious how the hypothesis even came to mind. After a few beers, someone asked “gee, I wonder if castration can extend life expectancy?”

What’s next? Ovaries?

Is this really a decision people expect to make - is that their intended outcome?

If it doesn’t also improve QOL then why? Do it just so I can sit in front of the tv waiting for death for an extra decade?




"Wrong does not cease to be wrong because the majority share in it." L.Tolstoy
"A government is just a body of people, usually, notably, ungoverned." Shepherd Book
November 04, 2026, 03:03 PM
bcereuss
quote:
Originally posted by TigerDore:
Will a man really live longer, or will it just seem like it?

I love sex...with my wife.

Ride 'em cowboy. Let me go out with my boots on.


A good counterpoint: a circumcised man will get to keep his money. (But what would he spend it on?)

.

.

Inquiring minds...?
November 04, 2026, 03:09 PM
TigerDore
quote:
Originally posted by konata88:
More than the results, I’m curious how the hypothesis even came to mind....

You probably recall this, but in the 16th-19th centuries, there was an entire class of males known as the castrati. They were talented boys choir singers who were castrated prior to puberty in order to keep their high voices. The result were adult males with adult lung power who could hit and hold high notes unlike most females.

I think they may have also sang the women's parts because women were not allowed in operas/plays when this practice started?

There was a thought that they lived longer, but a late 20th century study did not find that to be the case.



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November 04, 2026, 03:13 PM
TigerDore
quote:
Originally posted by bcereuss:
Inquiring minds...?

Haha.... oops. I meant "castrated".

Possibly a Freudian slip? An unconscious fear of sharp objects down there?


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November 04, 2026, 03:58 PM
HRK
quote:
Originally posted by sigfreund:
It’s actual science: Mice that were castrated lived longer than unmodified males, and especially if conducted in later life.



That's nuts
November 04, 2026, 05:11 PM
sigfreund
quote:
Originally posted by konata88:
Is this really a decision people expect to make - is that their intended outcome?

There is nothing the in the linked article about anything of the sort. It was a scientific investigation of a question that evidently occurred to someone, just like countless other questions pertaining to things health and ageing are investigated. It could lead to the discovery of why testes are evidently harmful to men’s health in some way, and what might be done (other than castration) to limit that harm.




“Most men … can seldom accept the simplest and most obvious truth if it … would oblige them to admit the falsity of conclusions … which they have woven, thread by thread, into the fabrics of their lives.”
— Leo Tolstoy
November 04, 2026, 05:12 PM
9mmepiphany
quote:
There was a thought that they lived longer, but a late 20th century study did not find that to be the case.

There was also the "sample size" of eunuchs of the Chinese Imperial Court as well as the royal households in many middle eastern countries




No, Daoism isn't a religion



November 04, 2026, 05:20 PM
9mmepiphany
quote:
Originally posted by konata88:
More than the results, I’m curious how the hypothesis even came to mind

I remember when I was working on my degree thesis that one of the instructors mentioned the challenges was finding a subject which hadn't already been done.

USF had stacks of thesis which would boggle the mind and you wanted to find one which hadn't been extensively overed...so that yours wouldn't be compared to that




No, Daoism isn't a religion



November 04, 2026, 05:25 PM
egregore


quote:
It’s actual science: Mice that were castrated lived longer than unmodified males, and especially if conducted in later life.

Save it for the mice and leave our balls alone.
November 04, 2026, 05:32 PM
Balzé Halzé
What if I just keep one?


~Alan

Acta Non Verba
NRA Life Member (Patron)
God, Family, Guns, Country

Men will fight and die to protect women... because women protect everything else. ~Andrew Klavan

November 04, 2026, 05:37 PM
Lunasee
I'll just try to keep them as empty as possible and cross my fingers.
November 04, 2026, 06:51 PM
Outnumbered
You first!
November 05, 2026, 05:31 AM
gearhounds
There is tons of research showing that frequent sex has numerous health benefits including vastly increased prostate health, cardiovascular improvement, and boosting your immune system, among others.

I think I’ll stick to that plan Razz




“Remember to get vaccinated or a vaccinated person might get sick from a virus they got vaccinated against because you’re not vaccinated.” - author unknown
November 05, 2026, 05:49 AM
trapper189
Seminal research study right there.
November 05, 2026, 06:42 AM
hjs157
Does this mean that if your grandfather didn't have balls he would be your grandmother?
November 05, 2026, 07:43 AM
divil
^ You probably just summed up some ivy league doctoral candidates thesis …
November 05, 2026, 07:56 AM
TigerDore
quote:
Originally posted by Balzé Halzé:
What if I just keep one?

The Uniballer?



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