date:Aug 09, 2012
The largest prospective study on marathon runners for theNew England Journal of Medicine(Almond et al. 2005) found no association between hyponatremia and composition of fluids drunk, and concluded that fluid volume was the main causative factor, she said.
But while, firms such as Coca-Cola (Powerade) acknowledged hyponatraemia as a cause for concern for anyone doing endurance sports,they hadlinked it to a failure to replace sodium lost through sweat, or to drinking a very large volume of low-