Major depression, as defined by the Diagnostic and Statistic Manual of Mental Disorders – Fourth Edition (DSM-IV), is a clinical disorder that has five (or more) of the following symptoms during the same two-week period and represents a change from previous functioning (American Psychiatric Association, 1994, p. 327).

At least one of these symptoms must be depressed mood or loss of interest or pleasure. Other symptoms include: depressed mood most of the day, nearly every day; markedly diminished interest or pleasure in all or almost all activities, most of the day, nearly every day; significant weight loss or gain or an increase or 12 decrease in appetite nearly every day; insomnia or hypersomnia nearly every day; psychomotor agitation or retardation nearly every day; fatigue or loss of energy nearly every day; feelings of worthlessness or excessive or inappropriate guilt nearly every day; diminished ability to concentrate or indecisiveness nearly every day and recurrent thoughts of death or suicidal ideation with or without a plan. Help for college students you can find here EssayLab.com