COPD or chronic obstructive pulmonary disease is a long-term
disease of the lungs. It causes the airways to narrow and the air sacs in the
lungs to become gradually damaged. As a result, patients cannot take in enough
air and breathing difficulties gradually worsen over time.
Main causes of COPD:
Smoking, long-term exposure to cooking smoke, air pollution,
dust and working in chemical factories, hereditary alpha 1 antitrypsin
deficiency and other factors.
People over the age of 40, long...
