• FireRetardant@lemmy.world
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        9 months ago

        3 days with only water can still “dehydrate” you but in the sense of electrolyte imbalance, which often feels similar to dehydration.

        • Dasus@lemmy.world
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          9 months ago

          This is an important thing to note.

          It’s easy to avoid though. Simply put a few grains of salt into your water.

          In the army, as a supply-core nco, that was a must, especially in the summer. A spoon of salt for every jug. I’m gonna refrain from putting the ratios here, because I don’t want anyone to go necking salt because of me. Normally we get enough salt from food, so I’m afraid of some trendy would-be healthy kids starting to add a bunch of salt into their water bottles even when they don’t do any sweating, thinking it’s healthy for them.

        • doctorcrimson@lemmy.today
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          9 months ago

          Hyponatremia ends up killing marathon runners pretty commonly, more often than heart attacks but to be fair I wouldn’t expect marathon runners to have a lot of the associated risk factors.