AARDA is the only national charity dedicated to bringing a national focus to autoimmunity, the major cause of serious chronic diseases. Approximately 50 million Americans, 20 percent of the population, or one in five people, suffer from autoimmune diseases. AARDA raises awareness and funding for critical research aimed at solving the underlying immune issues that link all autoimmune disorders. Our goal is to eradicated these serious and life-threatening diseases while providing help and hope through patient services.