Medical studies: Long-term long-distance running

... injuries but nothing real serious. Usually it's caused by something else I've done - on a climbing effort, or maybe yoga, over-stretched ... I just hope I can keep it up, but I also want to pay attention to when it's time to quit, not to prolong it ...

http://www.denverpost.com/running/ci_23326932/medical-studies-long-term-long-distance-running?source=rss&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+dp-sports+%28Denver+Post%3A+Sports%29