Autoimmunity (noun)

A condition in which the immune system mistakenly attacks the body's own tissues.

Origin:

Late 19th century: from auto- + immunity.

Examples:

1. Autoimmunity is a complex and poorly understood phenomenon.
2. Autoimmunity is a common cause of various autoimmune diseases.
3. Autoimmunity can lead to damage of various organs and tissues in the body.
4. Autoimmunity is often treated with immunosuppressive drugs to prevent the immune system from attacking the body.
5. Autoimmunity is a growing area of research, with many scientists trying to find ways to better understand and treat the condition.