Add Yahoo as a preferred source to see more of our stories on Google. A nurse speaks with a doctor in the hallway. “I had, at this point, gotten kind of dismissive about it because I had been ...

DEAR DR. ROACH: I am a 70-year-old female in excellent health, and I have a very healthy diet and fitness regimen. But I have had a persistent dry cough for 20 or so years. After seeing many doctors, ...