Osteoarthritis is only one kind of arthritis. Arthritis is the broad name given to any inflammatory joint disease. Rheumatoid arthritis and some other forms of arthritis are not diseases as associated with aging, but rather auto-immune disorders, in which antibodies attack your cartilage, which is what triggers that inflammation and joint pain.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.