Question

Why do the symptoms of an autoimmune disease often differ between individuals?

Short answer

The symptoms of an autoimmune disease often differ between individuals due to their difference in locations and severity.

Step-by-step solution

Autoimmune disease

Autoimmune disease is mostly caused when the body’s immune system loses its self-tolerance. In such a case, all the body tissues are susceptible to attack by the immune system.

Symptoms of an autoimmune disease

The symptoms of the disease are reflected by the type of tissue that has reacted with the auto-antibodies. Often the autoimmune diseases are chronic, and their clinical severity may differ between individuals because of their location and the severity of the immune system attacked by the auto-antibodies.