Systemic lupus erythematosus

Systemic lupus erythematosus (SLE or lupus, ) is a chronic autoimmune disease that can be fatal, though with recent medical advances, fatalities are becoming increasingly rare. As with other autoimmune diseases, the immune system attacks the body’s cells and tissue, resulting in inflammation and tissue damage. SLE can affect any part of the body, but most often harms the heart, joint, skin, lung, blood vessel, liver, kidney, and nervous system. The course of the disease is unpredictable, with... full article at wikipedia