"What is systemic lupus erythematosus? Lupus (systemic lupus
erythematosus, or SLE) is a chronic disease that can cause inflammation, pain, and tissue damage throughout the body. Lupus is an autoimmune disease, in which a person's immune system attacks its own tissues as though they were foreign substances. If you develop serious lupus, you may have problems with your kidneys, heart, lungs, or blood cells."
He has horrible joint pain and the trademark rash spread across his nose. My father's step-sister lost her battle with Lupus about 4 years ago. My brother is a very active father of one (soon to be two!) and I can't even imagine how hard the waiting and not knowing must be for him. My thoughts are with you big bro. I love you.