When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...

September 7, 2012 — Elevated rheumatoid factor (RF) levels in healthy patients may be a strong predictor of future rheumatoid arthritis (RA), according to data from a prospective cohort study ...

Arthritis Care Research News Alerts. 2008;59(6):794-799. A chronic, inflammatory disease of unknown origin, rheumatoid arthritis (RA) affects about 1 percent of adults worldwide. Marked by joint ...

RA patients positive for anti-EBV EA-DR IgG antibodies show higher ACPA levels and increased disease activity, suggesting a ...

Antibodies to peptides not currently used for rheumatoid arthritis (RA) diagnosis helped identify patients with untreated early disease that conventional biomarkers missed, researchers said. Almost ...

What to do for a 106-year-old woman who suddenly lost her mobility over the course of a few months, after being able to walk unassisted and live independently in her own home? That's what Ahmed Dheyaa ...