Assertion: rheumatoid arthritis's pain | /r/HasProperty | due
Facets:
value: usually
type: DEGREE
Source sentences:
text: If there's no injury, joint pain is usually due to either rheumatoid arthritis (RA), a systemic autoimmune disease in which an overactive immune system attacks healthy cells, or osteoarthritis (OA), a degenerative disease in which a particular joint is ground down by injury or overuse.
text: Pain can be due to inflamed or irritated spinal nerves on each side of the vertebrae that supply feeling to the back of the scalp.