The brain monitors the immune system closely. The achy and lethargic feelings of illness may be adaptive responses that force those who are ill to remain at rest. These symptoms could be related to increases in _______, which are also decreased by the administration of antidepressants.

Question

Quizplus · Accepted Answer

Cytokines are signaling proteins that mediate and regulate immunity and inflammation. They can induce symptoms like lethargy and achiness during illness. Antidepressants can decrease cytokine levels, which may help alleviate these symptoms.

The Brain Monitors the Immune System Closely