Endogenous vs Exogenous

Endogenous overreaction

What kind of reaction are ulcers and colitis, by the immune system?

Exogenous overreaction

Allergies are what kind of reaction by the immune system?

Exogenous-overreactive

An overreactive immune system affected by external pathogens (allergies)

Endogenous-overreactive

An overreactive immune system affected by internal pathogens (e.g., rheumatoid arthritis and ulcers).

Exogenous-underreactive

An underreactive immune system affected by external pathogens (e.g., colds and flu).

Endogenous-underreactive

An underreactive immune system affected by internal pathogens (e.g. cancer)

Endogenous overreaction

Rheumatoid arthritis and lupus are what kind of reaction by the immune system?

Exogenous under-reaction

The common cold and influenza are what kind of reaction by the immune system?