Here's a report I posted on another forum. It relates to the decline in FEV1 over time. It might answer some questions for some of you regarding the progressive nature (or not) of COPD.
Decline in FEV1 or Not: Here's a report... - Lung Conditions C...
Decline in FEV1 or Not
Written by
ck101
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Hi, theres 3 articles which one is it.
Encouraging reading, if you stop smoking. Thanks for the post.
Thank you for the info. x
Thanks CK - I found the conclusion encouraging.
'In conclusion, our data show that COPD is
not invariably progressive. In more than half the
patients in our study, the rate of decline in FEV
1over a period of 3 years was no greater than that
which has been observed in people without lung
disease. This finding could indicate that COPD
may “burn out” or at least stabilize for periods
of 3 years or more, which would be good news
for patients and could influence a variety of
management decisions that depend on prognosis.
As the report suggests, more investigation is required.
James 
Interesting reading. But they do not seem to have the same group of that age with no COPD to base any decline for that age in normal lungs? Or did I miss it?
Be Well
Normal decline in Healthy Adults is 30ml per year.
Well it is bad news for me due to my emphysema...darn it anyway.
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