One in twelve people will eventually be affected by an autoimmune disease, a broad family of diseases which include rheumatoid arthritus, lupus, multiple sclerosis, and AIDS. All are characterized by the immune system
turning traitor and attacking the body that houses it, the effects of which range from serious skin disease to disease of the heart, lungs, or
central nervous system. Friendly Fire first provides the reader with a historical guide to various autoimmune diseases, and a comprehensive explanation of a healthy and fully functioning immune system, followed by a description of the development and diverse forms of autoimmune disease, the current types of treatment, and ideas for