Hydration It is important to drink at least 2 litres of water every day If a runner is confused at the end of a marathon, it is essential to quickly give him/her some water since he/she is certainly dehydrated It is important to drink at least 2 litres of water every day If a runner is confused at the end of a marathon, it is essential to quickly give him/her some water since he/she is certainly dehydrated Blaise Dubois - 1999
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