Probably ought to save things to other computers and/or external hard drives and/or sign up for an online storage account.

"Preserving precious data, such as pictures and home videos, on CDs and DVDs could do more damage than good in the end. That's what the French National Centre for Scientific Research has found out after testing the longevity of the portable media."

Read, listen or watch here: news.bbc.co.uk/2/hi/programmes/click_online/8711747.stm