What is Persistent Depressive Disorder

This chapter provides a broad overview of depression in adults. Depression is one of the leading causes of disability globally. It is a syndrome with central features of low mood, lack of enjoyment, reduced energy, negative thinking, poor sleep and appetite, lack of concentration, and suicidal ideation. It affects everyone. The purpose of this chapter is to outline the link between various contributory factors and depression among the adult population. Optimal management processes, including self-care, reduce the risk of relapse and improve the quality of life.