Originally Posted By: Roarmeister
Glock - One question for you -- if a person is consuming that much clear water and not taking in enough electrolytes, wouldn't they notice that they were cramping up in their muscles before they get into a hyponatremia condition?


I think it's a personal physiology issue. In the case I described above the person never complained of cramping before, during, or after the event.

Here is a good writeup on hyponatremia that is a nice balance between the medical-nerd physiology and the practical wilderness context.