Be sure to read the rule before you leave

If the amount of salt in your blood (serum sodium) rises too high, too fast it can actually cause brain damage. Depending on the hospital/lab a normal range is 135-145 mmol/L. A woman drank a bottle of soy sauce and it brought hers up to 187 mmol/L (highest documented serum sodium). She ultimately died.

https://pubmed.ncbi.nlm.nih.gov/21315305/#:~:text=Abstract,shoyu%20(Japanese%20soy%20sauce).

“Osmotic demyelination syndrome (ODS) leads to brain cell dysfunction. It is caused by the destruction of the layer (myelin sheath) covering nerve cells in the middle of the brainstem (pons).”

https://medlineplus.gov/ency/article/000775.htm#:~:text=Osmotic%20demyelination%20syndrome%20(ODS)%20leads,of%20the%20brainstem%20(pons).t