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CNET on MSNLose Your Breath When Going Up Stairs? This May Be WhyContrary to popular belief, even if you're in great shape, you might still find yourself out of breath when going up stairs.
Why does climbing stairs always feel so hard? Is getting out of breath on the way up a sign of poor fitness? And is it possible to get better? Here’s what they had to say. If you’ve ever been ...
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