Yes it will.
Remember the radio show water drinking contest a few years ago?
A woman DID die from the water overload.
This also happens several times each Oktoberfest in Germany.
People drink so much beer, they die from water intoxication, NOT from the alcohol.
It destroys the kidney's ability to concentrate urine. Thus electrolytes get fouled up.
bump
I think recently a guy lot kidney function from drinking a gallon of tea a day