Phys Ed: The Marathon Runner as Couch Potato

On an average workday, runners training for a marathon reported sitting for more than 10 hours a day, raising provocative questions about the growing prevalence of sedentary behavior and its accompanying health risks.

Source: http://well.blogs.nytimes.com/2013/10/30/the-marathon-runner-as-couch-potato/?partner=rss&emc=rss

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