Lupus

When it is working normally, the body's immune system kills germs and "bad"cells that could turn into cancer. Sometimes, instead of killing only bad cells, something goes wrong and the immune system starts to attack healthy cells. That is called

What is lupus? When it is working normally, the body's immune system kills germs and "bad" cells that could turn into cancer. Sometimes, instead of killing only bad cells, something goes wrong and the immune system starts to attack healthy cells.