COPD (Chronic Obstructive Pulmonary Disease):

cop4dChronic obstructive pulmonary disease (COPD) is an umbrella term for a number of lung diseases that prevent proper breathing. Three of the most common COPD conditions are emphysema,Chronic obstructive pulmonary disease (COPD) is where air cannot get out of the lungs easily (the airflow is obstructed). COPD is a common condition that mainly affects middle-aged or older