>>76511617
>>76511624
>>76511655
None of that, people just got fat.
That's literally it, the only reason why the mean T levels are dropping is because men got fatter overall and being fat, even sligthly overweight is enough to dramatically impact your T.
We also used to vastly overestimate T levels in the past.
https://x.com/cremieuxrecueil/status/1956769175646396714