Unfortunately (I guess), I don't have osteoarthritis. Rheumatoid arthritis is an auto-immune disease.
Any site that accepts or sponsors links of that nature can surely be improved upon as a reference; my points here are that you mustn't take other's inadvertent behavior personally.
This thread began because the specific case described was a perfect irony in a very imperfect world and was not intended for dissection or forensic analysis.