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  • Lemmywinks@lemmy.worldtoScience Memes@mander.xyzEvolution Factsberg
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    22 days ago

    The serotonin in your gut can’t pass through the gut-blood barrier, and therefore never reaches your brain, so it has no effect whatsoever on your ability to feel happy.

    Unripe bananas are full of serotonin (which breaks down to melotonin as they ripen), but the only effect that has on your body is to give you diarrhoea.