A rheumatoid factor test checks for an antibody that can be a marker for rheumatoid arthritis. It is one part of diagnosis. Not everyone with a positive rheumatoid factor blood test has rheumatoid ...

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 ...

A rheumatoid factor (RF) test detects rheumatoid factor, a type of antibody (proteins that fight off harmful substances) in your blood. RF antibodies sometimes attack healthy cells and tissues, ...

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 ...

Rheumatoid arthritis (RA) is a chronic autoimmune disease (one in which the immune system attacks healthy cells) that primarily affects your joints. It is a progressive condition that gets worse over ...

If left untreated, rheumatoid arthritis can lead to damage of the joints. But even when treated, this condition can lead to ...

Juvenile idiopathic arthritis and rheumatoid arthritis are both inflammatory diseases that affect the joints, but they’re separate conditions with unique long-term outlooks. The most common type of ...