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There's no evidence that japan has lower testosterone than an average country. The only study I could find suggested it had a higher average than the US.
by spywaregorilla 5y ago
There's no evidence that japan has lower testosterone than an average country. The only study I could find suggested it had a higher average than the US.
- satellites 5y agoThat supports what others have commented, which is that obesity is likely the main culprit, at least in terms of low testosterone. The US has a much worse obesity problem than Japan does.
- fallingknife 5y agoIt's consistent with the hypothesis, but way too general of a correlation to show causality.
- zinclozenge 5y agoI don't see why, there's a physiological basis for it. It's well known that fat cells have higher level of aromatase which converts testosterone to estradiol.