We all have days when breathing feels a little off. Maybe it’s a lingering cough after a cold. Maybe you feel slightly winded climbing stairs. Maybe your chest feels tight, and you assume it’s just stress. But here’s something I always tell readers: your lungs usually whisper before they shout.…

You have heard this line differently, but what we are going to say is similar to that. “COPD is often described as an iceberg disease because the symptoms you notice are only the tip of what’s really happening inside the lungs.”  Sounds confusing; let us understand in simple terms. Shortness…