Talkback: Dehydration and sodium: why replacing salt is crucial
In the interest of balance recommend reading Prof Tim Noakes excellent study on hydration and sodium deficiency (Waterlogged) in which he explains the dangers of overhydration and the importance of sodium levels in endurance athletes. Its quite detailed but easy to read. In it Professor Noakes questions some of the studies and their scientific validity. There's so much information and opinion in our sport its hard to know who's right!