Testosterone Didn't Rapidly Decline

Here is someone actually writing about it that the twitter thread cites is you want the details. https://eryney.substack.com/p/maybe-its-just-your-testostero...

Here's an interesting study that found there was no decrease in testosterone after controlling for rising BMI levels (because being overweight/obese is associated with lower testosterone levels): https://pubmed.ncbi.nlm.nih.gov/17895324/