Rheumatoid arthritis (RA) is one of the more common autoimmune disorders, affecting approximately 1% of the population worldwide. The exact cause of RA is not known; however, initiation of disease ...

While the exact cause of rheumatoid arthritis is unknown, genetics play a significant role, with the HLA-DR4 gene increasing the risk. However, most people with RA are the only ones in their family ...

DEAR MAYO CLINIC: What causes rheumatoid arthritis to develop? As with many diseases, the causes of rheumatoid arthritis appear to be a combination of genetic and environmental factors. The genetic ...

Rheumatoid arthritis, sometimes referred to as rheumatoid disease, is a chronic (long lasting), progressive and disabling autoimmune disease that causes inflammation (swelling) and pain in the joints, ...

Rheumatoid arthritis (RA) is a chronic autoimmune disorder that causes inflammation, pain, and stiffness in the joints. But RA is a systemic disease — it affects the whole body — and can damage ...

RA is an autoimmune disease where the immune system mistakenly attacks the lining of joints, causing inflammation and potential joint damage. Treatment goals for RA include reducing inflammation and ...

Rheumatoid arthritis (RA) can affect the hips, causing pain, stiffness, and swelling, similar to those of other joints in the body. RA-related hip pain can feel like a dull ache in the groin, buttocks ...