Theola wrote:
>There is a largely undiscussed but growing body of evidence that
>over-sloshing oneself can be downright dangerous as it disrupts the
>electrolyte balance, leading to palpitations/arrythmia, and in the
extreme
>to possible CV collapse and death.

Here are some reasonable-sounding thoughts on the subject:

http://www.rice.edu/~jenky/sports/salt.html

Seems like a better solution to hyponatremia,  is to increase
electrolyte intake rather than decrease water intake. Dehydration is at
least as serious and much more common than hyponatremia.