This disease is not reversible, but in most cases it is completely preventable. If you stop smoking
, you may prevent the disease, if you haven't already got it, or stop
its progression. If you have emphysema, you can take a number of steps to halt its progression."
I believe taking excellent care of yourself, as your husband is doing, eating right, taking vitamins, etc., can do wonders.
Please let us know how his breathing test turns out. You both take care.........