Knowledge and Awareness of Systemic Lupus Erythematosus Among the Population of Jeddah, Saudi Arabia: A Cross-Sectional Study.

Background The immune system, composed of various molecules and cells, protects humans from cancer and pathogens. A breach of tolerance, known as autoimmune disease (AD), is the root of these diseases. Systemic lupus erythematosus (SLE) is an autoimmune condition characterized by chronic inflammation, causing tissue damage in various organ systems.