umm ... I always thought tears were salty cause salt dehydrates bacteria so 'salt-water' acts as a disinfactant for the eyes.
as far as sweat goes, its salt cause salt raises the evaporating temperature of the sweat, so it takes up more energy from you while evaporating, so it cools your body down more than unsalted water ....
I just wanted his tacktic to miss fire ... at least in my case ... u see ... and since u are a wise brit, I assumed that u wouldn't have fallin into that pit!
RE: Tears taste salt........
@alf ...ease up brother ... it was made on purpose ... your comments are gettin a tad heavy lately ....