, decreased perceived exertion and increased running economy. In 2004, prior to the Athens Olympics, US track athletes were given the chance to attend a pre-Olympic training camp in Crete about two weeks before they moved to Athens. The runners followed a heat-training
exercise levels to answer that one," Nieman says, "but in our Los Angeles Marathon study, we did find that post-marathon infections were significantly higher among those who trained more than 60 miles a week."Nieman is no Pollyanna. He admits to concerns
