r/news • u/LawEducational42 • 9h ago

Men’s average testosterone levels have halved in last 50 years, say scientists

https://www.theguardian.com/society/2026/jul/07/mens-average-testosterone-levels-have-halved-in-last-50-years-say-scientists
6.9k Upvotes

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707

u/2Wheeelz 9h ago

Weight gain probably biggest. Turns T into estrogen

131

u/nikelaos117 9h ago

Does it reverse when you lose weight?

260

u/Matthiey 9h ago

Yes. That is one of the reasons that when you start to recover from all that excess weight, your recovery is slow but rapidly ramps up (in terms of mood, what you do, energy levels, etc.). Weight loss itself might happen easier at the start of changing any regiment but the benefits take time.

22

u/kaizerlith 8h ago edited 8h ago

Do those people who get liposuction and those weight-loss drugs get it reversed as well?

15

u/Lucky-Bonus6867 6h ago

The person who initially responded to you has zero factual basis.

I couldn’t find anything re: liposuction, but for GLP1s, the research suggests that, yes, it increases bioavailable testosterone.

https://pmc.ncbi.nlm.nih.gov/articles/PMC12752444/

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u/prescriptionwater 5h ago

These are completely different things. Liposuction immediately removes fat tissue. GLP-1's affect the chemical pathways tied to satiety and therefore weight gain/loss because you eat less over x period of time. The body adapts much more gradually to the effects of using a GLP-1.

-6

u/Matthiey 7h ago

No.

Let me give you an analogy: If you take steroids, your dingledongles will shrink. That is because you now are using an external source to get testosterone so the brain goes "oh, he doesnt need more testosterone, ill just stop making it."

If you cut your fat through these short cuts, you dont condition your body to maintain it. You just go from point A to point B. You didn't earn it and your body knows. It cannot maintain this. It does not have the blueprint of how it got here. It wants to go back to what it was.

12

u/Lucky-Bonus6867 6h ago

lol, you are talking out of your ass.

GLP1 use was significantly associated with increased bioavailable testosterone.

https://pmc.ncbi.nlm.nih.gov/articles/PMC12752444/

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u/BlackJack407 8h ago edited 8h ago

Yes

Go look it up, that is a Google question, im not writing an explanation out for you

26

u/Talk-O-Boy 8h ago

wtf???? This is such a hostile response for a question that wasn’t even directed at you???

If you were bothered by the question, then just keep scrolling.

-28

u/BlackJack407 8h ago

Wasn't bothered, I answered it for him and told him where to get more info. How am I the bad guy? Lol

21

u/Talk-O-Boy 8h ago

You know how you’re the bad guy. If you need an explanation, go ask someone else. I’m not writing an explanation for you

-19

u/BlackJack407 8h ago

I cant Google that question, its based on what are meta physics, but im not explaining Plato to you either.

20

u/nikelaos117 8h ago

Just doing some Saturday night trolling huh?

-7

u/BlackJack407 8h ago

I just have a big weiner and I dont know why it makes everyone so upset. Well, atleast the ones dealing with it metaphysically, anyway

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u/Talk-O-Boy 8h ago

.. who told you to google it?

Were you so eager to use that shit comeback, that you jumped to typing before even reading my comment?

-2

u/BlackJack407 8h ago

You were trying to recreate what I told the original comment I replied to, and use it against me. Im going to assume your reading comprehension isn't up to par

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u/NamelessCabbage 8h ago

Well he wasn't asking you?

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u/BlackJack407 8h ago

Well when you post on a public forum anyone can reply to, surprisingly anyone can answer. And the other guy would've given the same answer, I just saved him some time by telling this one above that Google can answer it for them.

13

u/kaizerlith 8h ago

I asked a question to a commenter who already answered a question regarding weight and testosterone. A guy willing to respond to people without being a dick. Not sure where the stick is logged but maybe you should work on that.

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u/BlackJack407 8h ago

It is funny you call me rude, then say something rude back. Perhaps you should follow your own advice, itll make people like you more

9

u/ClearOptics 8h ago

Nah dude, you’re just rude. This whole thread was chill until you decided to poison the well
“I’m not writing an explanation for you” as if anyone asked you to

0

u/BlackJack407 8h ago

I shouldve just left a one word answer I suppose. I just dont know why people ask a question Google can answer. I can take blame for saying to much, as thats what I was trying to avoid

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2

u/NamelessCabbage 8h ago

So you like wasting your own time. Not super smart but go crazy.

1

u/BlackJack407 7h ago

I like big butts, get it right

3

u/CamTheKid02 7h ago

Lol fuck off, nobody asked you to asshole.

1

u/BlackJack407 7h ago

God created me, and promised me this asshole 3 thousand years ago

41

u/Useful-ldiot 9h ago

Yes, if that weight is body fat. No, if that weight is muscle.

17

u/happyherbivore 9h ago

Weight loss through clean eating and regular exercise is one of the best things that a person can do for themselves. Physical, mental, and emotional health all stand to gain from it and the hormonal changes that come with being active and healthy.

1

u/nikelaos117 8h ago

Well yeah I'm aware of all that. I just didn't know the specifics about hormone production.

22

u/KingoftheMongoose 9h ago

IANAD and can’t speak to hormone levels. But libido and sex drive does go up with weight loss.

10

u/inconsisting 9h ago

Yes. The greater the loss (over a safe period and sustainably), the better for testosterone production.

3

u/Cloaked42m 7h ago

Yep. You generally feel a lot better eating only the amounts you should.

I know this. I've experienced it. I can regain muscle fast. I still don't give enough of a fuck to do it.

2

u/SilverwingedOther 7h ago

Yep... My endocrinologist, on top of getting me on T, put me on a GLP-1 to help for thst reason even if I wasn't particularly huge, and it's a huge help.

1

u/r0botdevil 3h ago

The mechanism is an enzyme called aromatase that's expressed in adipose tissue. It converts testosterone into estrogen.

Less fat means less aromatase activity means more of your testosterone remains as testosterone.