Question

What relationship is the basis of psychoneuroimmunology?
a. Endocrine function affects behavior, and behavior can either raise or lower immune system function.
b. Behavior affects the immune system, and immune system function affects health.
c. Health and disease affect immune system function, and behavior affects the nervous system as well as the endocrine system.
d. The action of the immune system is independent of behavior, and the endocrine and nervous systems are less dependent than has been previously assumed.

Answer

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