Autoimmune Diet: The Autoimmune Cookbook, Recipe Collection for Autoimmune Disorder The Autoimmune Diet is perfect for people suffering from illnesses that compromise the immune system. What is an autoimmune disease? Autoimmune diseases are also the same thing as inflammatory diseases that include health conditions like lupus, MS, rheumatoid arthritis, and some eighty other autoimmune disorders. An "anti inflammatory diet" includes foods that stop the symptoms of an autoimmune disease. Autoimmunity conditions are immune diseases that cause inflammation in the body. By eating foods that help to prevent inflammation, you can better treat immune system diseases.