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The original monoamine hypothesis postulates that depression is caused by a deficiency or imbalances in the monoamine neurotransmitters (5-HT, NE, and DA). This has been the central topic of depression research for approximately the last 50 years; [ 12 ] [ 192 ] it has since evolved into the notion that depression arises through alterations in ...
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 ]
The drug is also under investigation as an antidepressant and for the treatment of neuropathic pain. It is related in chemical structure to venlafaxine. Due to being an opioid, there is risk of abuse and addiction, but it does have less abuse potential, respiratory depression, and constipation compared to other opioids (hydrocodone, oxycodone ...
There may also be imbalances in mood-regulating neurotransmitters (brain chemicals) like dopamine and serotonin. But this isn’t well understood, either. But this isn’t well understood, either.
Substance abuse, especially long-term abuse, can cause or exacerbate many mental disorders. Alcoholism is linked to depression while abuse of amphetamines and LSD can leave a person feeling paranoid and anxious. Correlations of mental disorders with drug use include cannabis, alcohol, and caffeine.
The neurotrophic hypothesis of depression [1] proposes that major depressive disorder (MDD) is caused, at least partly, by impaired neurotrophic support.Neurotrophic factors (also known as neurotrophins) are a family of closely related proteins which regulate the survival, development, and function of neurons in both the central and peripheral nervous systems.
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