Assertion: autoimmune disease's system | /r/Causes | swelling
Facets:
Source sentences:
text: Sean J. Pittock, M.D., is researching an inflammatory disease of the central nervous system that causes swelling and inflammation of the eye nerves and the spinal cord (neuromyelitis optica, or NMO).
text: This condition occurs when the immune system attacks parts of the digestive tract, causing inflammation, swelling, and even scarring.
text: What it is: RA happens when the immune system attacks your own tissues and causes joint pain, swelling, and stiffness.