What Are 5 Common Risk Factors to Rheumatoid Arthritis? Center

Rheumatoid arthritis (RA) is an autoimmune disorder (the body's immune system mistakenly attacks its own cells). Certain factors increase the risk of RA. Read more: What Are 5 Common Risk Factors to Rheumatoid Arthritis? Article

QUESTION

The term arthritis refers to stiffness in the joints. See Answer

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