I used to smoke. I quit many years ago, but I smoked long enough to develop some COPD. I get along fine, unless I come down with some additional bronchitis. Colds I can handle. Bronchitis I can't. I am totally worthless when I get bronchitis. When I have both I'm hardly worth feeding, however I seem to be getting better. Be assured, I would rather be writing than walking around in a stupor from medication.