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Mermaid (quokk.au)
submitted 3 months ago by to c/lemmyshitpost@lemmy.world
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[–] 2 points 3 months ago (2 children)

Bioaccumulation of mercury, lead, etc., or too many vitamins: the more organisms in total eaten on the way to the one you eat. Herbivores have significantly fewer. A few bites of polar bear liver will send you into acute vitamin A overdose with permanent effects, if not death. Another one: Why Don't We Eat Carnivores?

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  • [–] 2 points 3 months ago

    Vitamin A is a pretty significant one. It's not soluble in water, so it bioaccumulates. Polar bears are predators that eat predators (seals) that eat creatures that eat autotrophs that are very vitamin A rich (alae, phytoplankton, etc.)

    Because of that, 0.1 grams of polar bear liver has 100% of your daily recommended vitamin A, and as little as half a kilogram has enough to kill you =)

    https://www.sciencefocus.com/the-human-body/will-you-die-if-you-eat-a-polar-bears-liver

    https://pmc.ncbi.nlm.nih.gov/articles/PMC1257872/

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