It is a state of mental disorder in which the patient feels dejected, unhappy and virtually has no enthusiasm for anything.
Depression in the actual sense may have internal origin(endogenous) or be a response to external environment(reactive).
1.Endogenous depression may be as a result of changes in the way the brain cells work.
2.Reative depression may be caused by a shock or stress from the death of a Loved one, a deep disappointment, frustration, recieving unpleasant information.
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