See this post and the rest below. Commercially available T assays came into adoption in the 1970s. So did early man have 1500 ng/dl TT levels? I have no idea but there has been speculation.
Did healthy young men in the 70s and 80s before widespread obesity and EDCs have 1500 ng/dl TT levels? Nope, no evidence of this back to the very beginning of TT measurement over 50 years ago…
@yeti308 are you claiming this stuff or have you been misquoted or misunderstood?