Andrew Huberman· PhD
Either way there are some data to support various hormone changes.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Either way there are some data to support various hormone changes.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
How stressors (including deliberate cold) increase testosterone if done at the right frequency, temp.
There are known increases in free and total testosterone in both men and women from regular deliberate cold exposure.
but it will help acutely, specifically the application of cold to testes that are too warm. So if you have a varicocele or if you have a little bit of a primary hypogonadism, which is where testosterone is not released by the testes, but your LH and FSH signals are sufficiently high, then you'll likely respond to cold exposure better.
I can imagine two reasonably plausible mechanisms by which deliberate cold exposure to the groin, in particular the testicles, would increase testosterone.
So for men, we talked about increased testosterone, improved sperm quality that was indirect. You're reducing the temperature of the testicle. But it's not that cold itself is positively impacting those things.
But both of those effects are likely to be indirect by virtue of reducing the temperature of the testicle overall, not because there's any sort of magic effect of cold on the testicle.
although there is a place for using cold exposure, deliberate cold exposure, to improve sperm quality and number and perhaps even testosterone levels.
It's pretty clear that using deliberate cold exposure can be healthy for the sperm because of the ways not that cold directly supports testosterone or sperm quality but rather because cold reduces heat.
But again, if you're going to use deliberate cold exposure to improve sperm quality, can it work? Yes, indeed, it can work, either indirectly by increasing testosterone or directly by improving sperm quality.
chances are those improvements in sexual satisfaction were the downstream consequence of the known increases in testosterone and free testosterone that occur in both men and women who do the sorts of deliberate cold exposure.
Icing the boys in the hot box could *possibly* also help mitigate both fertility impact and improve testosterone production.
And then what about the cold? I don't worry about cold. All right. So the cold is okay. Especially plunge where you're talking seconds.