COPD is a disease usually associated with smokers, which makes sense when smoking is the cause of approximately eighty to ninety percent of COPD cases. However, smoking is certainly not the only way you can get COPD, and there are many other lesser-known causes.
Being exposed to just about any kind of respiratory irritant over long periods of time can cause you to develop COPD. Things like dust, smog, mold, fine airborne particles, and toxic gases can result in serious lung and airway inflammation that, over the years, can cause COPD.