Can allergies make you cough, or is there something else to blame for that seemingly seasonal tickle in your throat? An allergist explains.

Effective Ways to Cleanse Your Lungs How to Quickly Clear Your Lungs: Increasing pollution and smoking habits significantly ...

After false starts and incremental gains, scientists crack the problem that made breathing impossible. Will answers come fast enough to save the sick?

Haunted by the cystic fibrosis patients he could not help, one Iowa doctor commits his life to understanding what is broken deep inside their cells.