When Kaitlyn Patterson's fatigue progressed to hyperventilating even during slow runs, and then forced her to quit high school distance running for the season, she knew something was very wrong.
Nov 20, 2013
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Chronic obstructive pulmonary disease—a health problem in which the lungs lose their inherent springiness, making it progressively harder to breathe—can have a dramatic effect on the ability to exercise and even perform ...
Nov 07, 2013
5 / 5 (1) | 1