Depression Medication Depression is a serious mental illness – serious both in the consequences that it can pose for individuals as well because the number of individuals who are affected with the condition, which has a number of different causes. The causes of depression cited in the DSM-IV include both biological and possibly genetic causes as well as a range of environmental ones. In many individuals, depression is caused by an interaction between biological and environmental factors. Pages: 3 Bibliography: 3 source(s) listed Filename: 16641 Depression medication SSRI.doc Price: 26.85