Answer the following question given this paragraph: 

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.


Q: What kind of diseases involve the immune system accidentally attacking healthy body cells?


A:
autoimmune