How many kinds of Rheumatoid Arthritis are there Anyway? Nobody knows for sure, but the more you learn, the weirder it seems. Here is a type of inflammatory arthritis which you may not know about. It is rarer than the four general courses of…
rawarrior.com

Some patients with Palindromic Rheumatism may eventually evolve into Rheumatoid Arthritis.  Conventional guesstimate is 20%, but it’s probably lower, as many patients with transient and mild symptoms may not present to medical attention.


scientificamerican.com|By Nature Video

A nice cartoon to illustrate the early evolution of Rheumatoid Arthritis.