Assertion: psoriatic arthritis | /r/HasProperty | chronic autoimmune disease
Facets:
Source sentences:
text: Inflammatory arthritis is a chronic autoimmune disease in which your immune system misidentifies your own body tissues as harmful germs or pathogens and attacks them.
text: Both psoriasis and psoriatic arthritis are chronic autoimmune diseases – meaning, conditions in which certain cells of the body attack other cells and tissues of the body.