Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Autoimmune diseases occur when the immune system fails to recognize the body's own molecules as "self," or belonging to the person. Instead, it attacks body cells as though they were dangerous pathogens. Some relatively common autoimmune diseases are listed in Table below . These diseases cannot be cured, although they can be treated to relieve symptoms and prevent some of the long-term damage they cause. Answer: autoimmune
What kind of diseases involve the immune system accidentally attacking healthy body cells?