Many people suffer from periods of depression. The reaction to some devastating event, such as the loss of a job, serious bodily injury, the death of a loved one can be so traumatic that treatment is called for. However, in millions of people depression occurs for no apparent reason. Mood disorders can range from mild to severe and can remain for many months or even years. Mood disorders is a period in which the individual has one or more periods of depression without a history of manic episodes, and bipolar disorders, in which the individual becomes into the period of depression. …