Are there any Corgi owners out there that don't necessarily subscribe to the notion that spinal degeneration of dogs is a forgone conclusion and can be greatly delayed or avoided, completely? I have two wonderful male Pems, age 4, and they are, both, in excellent shape. One weighs 31 #; the other, 28. My previous two male pems lived 13 1/2 and 16 years. Both lost the use of their legs at the end. One had Type 2 Diabetes (I think).... I'm starting to suspect that, maybe, hip displasia and spinal myelopathy may be related to diabetes. It's been pretty well established that insulin insensitivity is related to both osteoarthritis and alzheimer's in humans. Could it be that improper diet (table scraps or dog food too high in processed carbs could be at the root of these terrible diseases in dogs? I invite your comments, please.