The effect of stress on the immune system
A) is unknown.
B) has been demonstrated to be non-existent in studies.
C) most often involves enhancement of the immune system.
D) may involve enhancement or impairment the immune system.

Question

Quizplus · Accepted Answer

Many studies demonstrate that long-term stress impairs the immune system,but many researchers identify that short-term stress may enhance the immune system.

The Effect of Stress on the Immune System