Does any one know of any study that compared people with COPD and those without and whether their parents or people they lived with smoked. My parents were heavy smokers and we lived in a small one room apartment. My father worked from home. I have two friends, same age and same sex, who smoked more and longer than I did but their parents didn't smoke. Neither has COPD. Could there also be a genetic link?
Last edited by drd4
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