Psychological stressors operate on the immune system in much the same way as

A) cytokines.
B) sleep.
C) endorphins.
D) infectious agents.

Psychological Stressors

Events, situations, or stimuli that cause stress and can affect an individual's psychological well-being.

Immune System

The body’s defense mechanism against infectious organisms and other invaders, comprising various cells, tissues, and organs that work together to protect the body.

Infectious Agents

Microorganisms or pathogens that cause diseases or infections in humans, animals, or plants, including bacteria, viruses, fungi, and parasites.