I also found that collagen may be helpful for disc issues. (mamanatural.com)
Some of the few issues that occur include: progressive retinal atrophy, spinal disc issues, an eye disease which causes blindness, hip dysplasia, weak immune system, and cataracts can crop up. (ipupster.com)
This new Blu - ray from Arrow features a new 4K restoration that's supposed to be an improvement over the previous Blu disc issued by MGM in 2011. (flickeringmyth.com)