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 ...

More than 18 million people worldwide suffer from rheumatoid arthritis, including nearly 1.5 million Americans.

Men and women with raised levels of an antibody known as rheumatoid factor in their blood have up to a 26-fold greater long term risk of developing rheumatoid arthritis, finds a study published on bmj ...

Whether you are seeking information for yourself or a loved one, read on to learn more about the disease and how to better understand its signs and symptoms. Rheumatoid arthritis is an inflammatory ...

NICE highlights that even with a normal acute-phase response, negative anti-cyclic citrullinated peptide [CCP] antibodies or rheumatoid factor, an urgent referral should be made if any of the ...