The document provides an overview of depression, including:
1. Defining depression and outlining the diagnostic criteria according to the DSM-IV, including symptoms such as persistent sadness, loss of interest, changes in appetite and sleep.
2. Describing different types of depression such as major depression, bipolar disorder, seasonal affective disorder, and discussing their symptoms.
3. Explaining various factors that can contribute to the development of depression including genetics, life stressors, medical conditions, and changes in the brain.
4. Outlining treatment approaches including antidepressant medications, psychotherapy, electroconvulsive therapy, and the nursing care role in monitoring safety, providing support, and promoting wellness