[corpmedia]

But hey, how about the salt that is sweat out and used for a number of body-functions. On the Kontiki expedition, they calculated that if they did not eat any salt in the food, they could add 1/3 ocean water to they drinking water.

[cafard]

I read in a runners magazine years ago that one's sweat is less salty than one's blood. This was in the course of recommending against electrolyte drinks.