Assertion: rheumatoid arthritis's system | /r/Causes | redness
Facets:
Source sentences:
text: RA occurs when your immune system, which normally defends the body from invading organisms, mistakenly attacks the lining of your joints, causing pain, swelling, warmth, redness, stiffness, and loss of function in the joints, all of which can eventually result in joint deformity (Online Table 2).Although