A client who usually is very active in her therapy group tells the nurse that she really does "not feel well today" and would "rather not attend the group therapy session. Which is the nurse's most appropriate response?

A. Postpartum depression occurs after childbirth and is usually treated with a combination of psychotherapy, antidepressant medication, and support. While light therapy might have some benefits for mood disorders, it is not the primary treatment for postpartum depression.
B. Seasonal affective disorder is a type of depression that typically occurs at certain times of the year, usually in the winter months when there is less natural sunlight. Phototherapy, or light therapy, is considered an effective treatment for SAD as it helps to mimic natural sunlight and improve mood by influencing circadian rhythms and serotonin levels.
C. While light therapy can have effects on mood, it is generally not used as a primary treatment for bipolar disorder. Bipolar disorder is often managed with mood stabilizers and other medications to prevent mood swings.
D. While light therapy can be beneficial for some types of depression, it is not typically the first-line treatment for moderate depression. Moderate depression is usually treated with antidepressants, psychotherapy, or a combination of both.

A. This definition encompasses the broader concept of mental health, including emotional, psychological, and social well-being.
B. This definition is too narrow and doesn't capture the full spectrum of mental health.
C. This focuses on physical functioning rather than mental well-being.
D. This definition is focused on illness rather than overall mental health.