Actually there are a lot of myths going around about oxidising CDs.
Most of the problems seem to have occured either in the early days of CD production when manufacturers were still learning (seems to be your case) or faulty manufacturing - there were various batches of discs produced in Germany and distributed through Europe that highlighted this problem a few years back.
The same is potentially true for DVDs.
However, most manufacturers seem to have fixed the problems quite a few years ago and esitmate CD archive life at 100 years plus.
Not a lot you can do though with CDs which have oxidised to the point of holes!!
I had a number of articles about this issue somewhere - I'll see if I can find them (just hope they aren't on a CD ...