This sourcebook offers basic information about the prevalence, symptoms, diagnosis, and treatment of depression. It talks about atypical depression, bipolar disorder, depression during and after pregnancy, depression with psychosis, and seasonal affective disorder (SAD). It examines the impact of depression on children, adolescents, men, women, and older adults. It describes strategies for managing depression, along with information about the warning signs and prevalence of suicide. It also provides insight into alternative and complementary therapies used to improve depression symptoms. The book concludes with a glossary of related terms and a directory of resources for additional help and information.