Long back my RA factor was positive and after that RA is never positive in reports.Now I have regular pain in my right knee and this pain goes to foot also , sometimes unable to even walk due to sever pain. Also little swelling and pain in my elbows also seems little change in shape of elbows. All tests like cholestrol, calcium RA factory all are ok then why so much pain in my joints Just want to tell you one thing more that in my family joint pain is common problem to all appreciate help