depression is a mental disorder characterized by a low confidence low self-esteem and by loss of interest in enjoyable activities.Depression adversely affects a person's family, work or school life, sleeping and eating habits, and general health. In the United States, around 3.4% of people with major depression commit suicide, and up to 60%.The depression diagnosis relies on the report of patient or the report of relatives and friends.Checking the mental symptoms will are not tested in the laboratory.People with depression