| Running up and down stairs=Fatigue?
Just wondering because I can continuously run up and down stairs and not get totally tired. However when I run upstairs my heart beat is faster. It kind of affects me when I talk. However I can run up and down multiple times. Like when you try to talk when you're out of breath. Im not out of breath but I notice it a little. Im not really out of shape either. This could've been happening to me since before but I noticed it now.
Last edited by John_33; 12-16-2006 at 06:46 PM.
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