The nurse is collecting the health history of a client and determines that the client has risk factors for developing mental illness. Which of the following should the nurse identify as a possible contributing factor in the development of a mental health disorder?

Rationale:A. Adverse effects of treatment might impact overall health but are not direct risk factors for developing mental illness.B. Immune system dysfunction can contribute to the development of mental health disorders. Research shows that immune system abnormalities and chronic inflammation are linked to mental health conditions.C. Exposure to environmental allergies does not have a direct link to the development of mental illness, though it can affect overall well-being.D. Medication adherence affects treatment outcomes but is not a contributing factor to the development of mental health disorders.