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NHS: Rheumatoid Arthritis
The evidence so far about PSA testing - from Cancer Research UK
Rheumatoid arthritis is an autoimmune disease. This means that your immune system – which usually fights infection – attacks the cells that line your joints by mistake, making them swollen, stiff and painful. Diagnosing rheumatoid arthritis quickly is important because early treatment can help stop the condition getting worse and reduce the risk of further problems such as joint damage.
National Rheumatoid Arthritis Society
Patient.co.uk has produced this decision aid from evidence-based information on options, outcomes and uncertainties regarding PSA testing. It should help you and your doctor (or nurse) to understand what your options are and to make the right choice for you.