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Rheumatoid arthritis is a chronic autoimmune condition that causes inflammation in the joints. Symptoms can include pain, stiffness, and swelling.
What causes rheumatoid arthritis?
The exact cause of rheumatoid arthritis is unclear, but it happens when the immune system attacks the body's healthy tissue by mistake. Specifically, it targets the synovium, which is the tissue around the joint. Although still an area of research, potential triggers for this include physical or emotional stress, bacteria, and viruses.
Is rheumatoid arthritis genetic?
A mix of genetic and environmental factors can cause the onset of rheumatoid arthritis, though the exact cause of the condition is unknown. Genetic predisposition is a strong indicator that it may develop. Specific genetic variations in rheumatoid arthritis include those in the in human leukocyte antigen (HLA) genes, including the HLA-DRB1 gene.
Is rheumatoid arthritis an autoimmune disease?
Rheumatoid arthritis is an autoimmune condition. Autoimmune conditions happen when something causes the immune system mistakenly attacks healthy body tissue.