The next explosion comes from Tim Noakes, the Discovery Health Chair of Exercise and Sport Science from the University of Capetown in a commentary ( Role of hydration in health and exercise) in which his take can succinctly be summarized as, if you get thirsty you should drink and that over-hydration is a much more common and dangerous risk to the athlete than dehydration.
FORBES: Guest Post: The BMJ's Amazing Shock and Awe Assault on Sport Drink Science