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2. Biology of depression - Wikipedia

   en.wikipedia.org/wiki/Biology_of_depression

   The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 1 ]

3. Major depressive disorder - Wikipedia

   en.wikipedia.org/wiki/Major_depressive_disorder

   This article needs to be updated. The reason given is: Many outdated sources and information (older than five years). Please help update this article to reflect recent events or newly available information. (July 2024) Medical condition Major depressive disorder Other names Clinical depression, major depression, unipolar depression, unipolar disorder, recurrent depression Sorrowing Old Man (At ...

4. Causes of mental disorders - Wikipedia

   en.wikipedia.org/wiki/Causes_of_mental_disorders

   Risk factors for mental illness include psychological trauma, adverse childhood experiences, genetic predisposition, and personality traits. [7] [8] Correlations between mental disorders and substance use are also found to have a two way relationship, in that substance use can lead to the development of mental disorders and having mental disorders can lead to substance use/abuse.

5. Epigenetics of depression - Wikipedia

   en.wikipedia.org/wiki/Epigenetics_of_depression

   Epigenetics of depression is the study of how epigenetics (heritable characteristics that do not involve changes in DNA sequence) contribute to depression. Major depressive disorder is heavily influenced by environmental and genetic factors.

6. Psychiatric genetics - Wikipedia

   en.wikipedia.org/wiki/Psychiatric_genetics

   A systematic comparative analysis of shared and unique genetic factors highlighted key gene sets and molecular processes underlying six major neuropsychiatric disorders: attention deficit hyperactivity disorder, anxiety disorders, autistic spectrum disorders, bipolar disorder, major depressive disorder, and schizophrenia. [9]

7. Evolutionary approaches to depression - Wikipedia

   en.wikipedia.org/wiki/Evolutionary_approaches_to...

   Major depression (also called "major depressive disorder", "clinical depression" or often simply "depression") is a leading cause of disability worldwide, and in 2000 was the fourth leading contributor to the global burden of disease (measured in DALYs); it is also an important risk factor for suicide. [1]