Melancholic Depression - Causes

Causes

The causes of melancholic type major depressive disorder are believed to be mostly due to biological factors; some may have inherited the disorder from their parents. Sometimes stressful situations can trigger episodes of melancholic depression, though this is a contributing cause rather than a necessary or sufficient cause. It has also been found that melancholic symptoms are common in people who suffer from bipolar I disorder and may often be present in people with bipolar II disorder. People with psychotic symptoms are also thought to be more susceptible to this disorder. It is frequent in old age and often unnoticed by some physicians who perceive the symptoms to be a part of dementia. Major depressive disorder, melancholic or otherwise, is a separate condition that can be comorbid with dementia in the elderly.

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