COPD, or chronic obstructive lung disease, is a lung disease that continues and affects breathing. "Chronic" means that this disease gradually worsens the person.
COPD can cause coughing, large...
COPD, or chronic obstructive lung disease, is a lung disease that continues and affects breathing. "Chronic" means that this disease gradually worsens the person.
COPD can cause coughing, large...