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How Does Rheumatoid Arthritis Affect the Shoulders?
Medically reviewed by Scott Zashin, MD Rheumatoid arthritis (RA) is known for causing all-over inflammation and pain. It happens when the immune system malfunctions and attacks the synovium, the ...
Tiny plastic grains that are injected into your knee
The disease is caused when the lining of the knee, the synovium, becomes swollen and painful. This stops the knee working ...