system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why does salt make you thirsty?
gpt
The salt is carried along with your bloodstream. When the blood becomes saltier than normal, it zooms through your veins and arteries. The salt contains sodium. Hence the body detects an imbalance caused by the sodium rich fluids extract more fluids out of the cells. The cell chemical messengers carry the signals of high salt levels and then trigger the brain's thirst center that leads us to grab our glass of water.