In older people, even slightly reduced sodium levels in the blood make the brain panic and do strange things. Old people lose their balance when walking, more often fall and break their bones.
Brain cells sense that there is little sodium around, which normally kept water next to it. We agreed that water easily penetrates all barriers in our body, and if there is little salt between the nerve cells in our head, then the water will climb for this salt inside the cells, and they will burst like balloons.
Therefore, brain cells begin to throw out any salt that turns up under the arm, such as potassium and chlorine, in order to keep the water at a distance. They, like in that movie, throw sausages to the right and left to distract the tigers from themselves.
Then the free salt inside the nerve cells ends and in the next stage complex organic molecules fly out, including those that were supposed to ensure the functioning of the brain.
Or imagine that it is like a flood that threatens to flood our house. If nothing else is at hand, then you have to build a dam from things that are dear to your heart, such as antique furniture or a home theater. But the water can be retained.
And with a lack of sodium, the brain throws out a lot of useful things from its cells, and then it works worse, falls when walking and beats its forehead on the floor.
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