Most kinds of Juvenile Arthritis are autoimmune or autoinflammatory diseases. That means the immune system, which is supposed to fight against foreign invaders like viruses and germs, gets confused and releases inflammatory chemicals that attack healthy cells and tissue. In most JA cases, this causes joint inflammation, swelling, pain and tenderness, but some types of JA have few or no joint symptoms or only affect the skin and internal organs. Our guest on this week's episode is Effie K. who was diagnosed as a teenager.