Assertion: immune system's tissue | /r/HasProperty | own healthy
Facets:
Source sentences:
text: Autoimmune diseases occur when the immune system destroys its own healthy tissues.
text: In autoimmune conditions, the immune system attacks the healthy tissue it’s supposed to protect.
text: On a basic level, autoimmune disease occurs because the body’s natural defenses — the immune system — attack the body’s own healthy tissue.
text: Autoimmune diseases occur when the immune system destroys its own healthy tissues.