Dr. Alison C. Castle: A 70-year-old woman with advanced human immunodeficiency virus (HIV) infection was evaluated in a clinic in KwaZulu-Natal, South Africa, because of cough, shortness of breath, ...
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, ...