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Men’s average testosterone levels have halved in last 50 years, say scientists
(www.theguardian.com)
this post was submitted on 12 Jul 2026
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Having pleasantly cool nuts is good for your sperm production. I guess it probably does something similar for testosterone production.
That doesn't make sense to me. The difference would be noticeable depending on the country you live or season you are in.
Yeah, it was from a list of factors that contribute to an overall decrease. That doesn't mean that it affects everyone in the world, just that it is part of the reason for some of the decrease.
Turns out they have some solid data backing it up. Even for seasonal decrease in testosterone production in the hot months...