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Japanese Guts Are Made For Sushi

cremeglace writes "Americans don't have the guts for sushi. At least that's the implication of a new study, which finds that Japanese people harbor enzymes in their intestinal bacteria that help them digest seaweed, enzymes that North Americans lack. What's more, Japanese may have first acquired these enzymes by eating bacteria that thrive on seaweed in the open ocean."

7 of 309 comments (clear)

  1. Am i missing something? by Daetrin · · Score: 5, Interesting

    I thought that everyone started out with pretty much zero gut bacteria and acquire them based on what they eat. (And sometimes people lose all their gut bacteria from various medical treatments and have to work to restore them.)

    So the japanese end up with the bacteria/enzymes do digest sushi because... they eat a lot of sushi. Presumably anyone else could develop a colony of such bacteria/enzymes by also eating a lot of sushi?

    That would mean the division isn't whether you're Japanese or American or something else. It's just whether or not you eat a lot of sushi.

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  2. population sample by networkzombie · · Score: 5, Insightful

    Czjzek's team compared the microbial genomes of 13 Japanese people with those of 18 North Americans.
    If I used this many test subjects in my job I would get fired.

  3. Ammo for Racism by eheien · · Score: 5, Interesting

    Just what we need, more "Japanese are unique" idiocy to justify racism and discrimination in Japan. So far we've heard that "Japanese intestines are longer, so Japanese can't eat foreign beef", "Japanese brains are unique, so only Japanese people can speak the Japanese language." and so on, all of which are supported by pseudo-scientific studies such as this one.

    This sort of incomplete research just feeds the view of racial uniqueness (and superiority) among Japanese and justifies their racism and discrimination against others.

    1. Re:Ammo for Racism by outsider007 · · Score: 5, Funny

      This sort of incomplete research just feeds the view of racial uniqueness (and superiority) among Japanese and justifies their racism and discrimination against others.

      They can keep their ability to digest seaweed.
      I'll just try to get by on my > 4" weiner.

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  4. strange diet by CaptainNerdCave · · Score: 5, Funny

    I'll just try to get by on my > 4" weiner.

    That seems like an odd diet, I hope it serves you well.

  5. Bowel obstruction by AlpineR · · Score: 5, Interesting

    Speaking of cold, dead digestive tracts: A few years ago, I got terribly ill while on vacation. Loss of appetite, waves of tremendous abdominal cramps, and vomiting. My intestines had plugged up and it took some intervention to get them moving again.

    I put some of the blame on a sushi lunch I ate that day. I'd eaten sushi often before, but this restaurant used a lot more seaweed in the dishes than I was accustomed to. Even as I was eating, I had second thoughts about whether what I was putting into my mouth was actually edible. But I figured it seemed strange to me only because that Japanese restaurant was more authentic than the Americanized sushi places where I usually dined.

    Now I wonder whether that seaweed would be edible to Japanese guts, but truly was inedible to mine.

    1. Re:Bowel obstruction by voodoo+cheesecake · · Score: 5, Funny

      Some with weaker constitutions would flinch, but I'd give you a mod point if I had any at the moment. As an Alaska'n fisherman, let me tell you that North Pacific bull kelp will rip you up pretty good, but I mix mine with jelly fish for that extra zing! Prepare your bull kelp and brown snot looking jelly fish with vinegar and high voltage, about 30kV or so should do the trick - just enough to evaporate it within a minute. Any longer than that and it starts to get a funny after taste.. Once it has cooled, sprinkle it on smoked tuna or sockeye salmon. Wash it down with orange Jolt and Bacardi 151 - of course, you should only do this on shore at the local tavern. Feel free to experiment with other beverages suitable to your taste if you want to whimp out.