what sodium does is it causes neurons to fire or to send signals. this is essential to brain activity and muscle response including the heart. i am unsure as to how long the body can survive without sodium but he is likely having low neuron activity thus possibly leading into something of a coma. note i am a high school student with no research done on this sort of topic and biology 30 as my latest information so i could be wrong.
how long can a person live with out sodium. my father has dementia. he is in the hospital now and they say he is losing sodium because his body is not able to make it. what will happen to him without sodium?