Question by mamacass0304: I am 36 and have a new diagnosis of rheumatoid arthritis. Have a question. ? Various blood tests were positive, but other than general fatigue and achiness, I have not had any real swelling. Now, my middle finger on my right hand is swollen, stiff, and it hurts. I know RA affects everyone different, but is it common for it to progress one finger/joint at a time? Best answer: Answer by Ty BMy mother got it later in her life than you, and it only affected…