A young woman in her early 30s was the picture of health: She was fit and ran regularly but had this nagging cough that she couldn't seem to shake.
Because she didn't feel sick and had no fever, she figured it was a cold. Yet the coughing continued for weeks. So she went to her doctor, who suspected it was asthma because the hacking seemed to increase after she'd finished running. But asthma medications brought her no relief.
Frustrated that she couldn't run, the woman sought a second...Full Story