There’s likely a feedback loop here: populations that eat more fish evolve with time to better process EPA+DHA and this makes the beneficial physical and mental effects of stuff much more salient for them.
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Another similarity between Japs and Scandinavians is that they have smoothly vibrating, calming voices. The Japanese tendency here is well known enough that I won’t litigate it, but here is Sissel Kyrkjebø, who also did the Hymn to the Sea from Titanic:https://www.youtube.com/watch?v=W1EG_4IBzbA …
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HBDers try to explain the differences between violent Vikings and peaceful Norwegians with bad theories about migration, but I think old and new Scandos are more alike than different. A pathological modesty, a feeling that one’s own life is worthless, so why not Valhalla?
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The Japanese are so timid and respectful in person, but ferociously brave in battle. In the Pacific they never broke and ran as even Marines do when pushed. A Japanese or a Norwegian cannot leave his friends behind, because to do so is immodest.
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There’s one more speculative parallel between the Japanese/Koreans and Scandinavians I want to talk about and that’s their weird dominance of competitive video gaming, virtually any game really, which might extend into chess.pic.twitter.com/gUCn2lPaeA
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Re congitive effects: "The mood profile was improved after Omega-3 with increased vigour and reduced anger, anxiety and depression states. This was associated with an effect on reactivity with a reduction of reaction time in the Go/ No-Go and Sustained Attention tests"
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"results are confirmed by the EMG data that showed the Omega-3-related reduction of RT was not owing to peripheral effects on muscles, such as improved speed of contraction, but to decreased EMG latency, which was probably influenced by a higher efficiency of central mechanisms"
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In other words, one of the effects high omega-3 levels have is that they allow a person to make faster and more accurate decisions on tests of inhibition and executive function like Go/No-Go, which I think has applications in many kinds of real world mental tasks.
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End. Going to keep grinding these out until the lockdown ends, got something stuff coming on implications of lactose tolerance in NW Europe and an attempt to explain West African creativity.
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End of conversation
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