Paras Hospitals | पारस हॉस्पिटल गुरुग्राम | paras hospital gurgaon

Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease that causes obstructed airflow from the lungs.

Symptoms include breathing difficulty, cough, mucus (sputum) production and wheezing.

To know more click here: https://www.youtube.com/watch?v=NdlNWBZFgFg