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salt
(thelemmy.club)
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this post was submitted on 04 Nov 2025
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If you drink something that is about the same ionic concentration as your blood, you can absorb a lot of it safely.
If you drink something much much saltier than your blood it will pull water out of your blood cells.
If you drink something with very few ions it will hydrate your blood cells, but drinking too much can burst your blood cells as they try to absorb to much.
Damn lucky I've been somehow drinking exactly the right amount of stuff so that I haven't died yet
Just don't enter any water drinking contests and you'll be fine!
What about blood drinking contests, since that will match your daily contents?
Found the vampire.
I remember that. Same city my office is in.
That's why I only drink units of whole blood. On average, the under-hydrated and over-hydrated people that contributed to that unit cancel each other out, so I know I'm always working towards optimal cell hydration. Never to much or too little.
I only drink brawndo. It's got what plants crave
https://lemmy.ca/post/47329671
Last point is definitely a myth. Yes you can die if you drink an insane amount of water, but a healthy person with a healthy diet can live purely on distilled water.
As far as I am aware it's also still a topic of debate if a healthy person could drink seawater. Not forever, but quite a while. (Have not looked into that for a while tho)
Tldr: our bodies are insanly good at keeping us alive
I think I heard that cats can survive on seawater(not well, but better than dead). For some reason they just have baller kidneys.