on hydration in the UK, agrees with Valtin. You hear this advice from magazines, but where is it actually coming from? Not the Department of Health. Tim Lawson, director of Science In Sport, a sports nutrition company, believes that the eight glasses rule
runners drink 400ml to 800ml per hour. His advice sparked a storm, as it was basically 50 per cent lower than the widely quoted recommendations of the American College of Sports Medicine, the National Association of Athletic Trainers, and other sports
