The incidence of teenage depression has increased all over the world. In some populations it is has been accompanied by suicide, but suicide remains rare. Clinical depression, which entails many debilitating physical and psychological symptoms, is a serious disease that can do terrible and even permanent damage to a teenager's developmental progress. Good adolescent health care demands that professionals look for depression in young people, diagnosis it correctly, and treat it aggressively. Chapter 1 presents an explanation of the prevalence of depression in the teenage population. Chapter 2 discusses how to diagnosis depression. Chapter 3 describes youth who are most at risk. Chapter 4 provides information about suicide. Chapter 5 looks at depression in relation to other teenage problems. Chapter 6 presents the psychological treatment of depression. Chapter 7 describes the health professionals who treat depression and where they can be found. Chapter 8 explains pharmacological treatments of depression. Chapter 9 details when psychiatric hospitals are appropriate and what goes on inside them. Chapter 10 reviews legal and ethical concerns. Personal accounts of teenagers' experiences with depression are interspersed throughout the book. Suggestions are included on further readings and resources. (JDM)