psychoneuroimmunology evolved from the discovery that there is a connection between the peripheral nervous system and the immune system. The word "peripheral" has to be replaced with "central" should be changed to make the sentence true.
Psychoneuroimmunology is the study of how your immune system and central nervous system interact. Stress makes you more susceptible to illnesses ranging from the common cold to autoimmune disease flare-ups.
Immune system abnormalities were seen in people with breast, cervical, or ovarian cancer who reported feeling anxious or lonely.
Thus, The word "peripheral" has to be replaced with "central"
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