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The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. [ 1 ] Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 2 ]
Other causes of central nervous system depression are metabolic disturbances such as hypoglycemia. [2] Because the brain relies so heavily on glucose for normal functioning, a hypoglycemic state that severely deprives the brain of glucose would damage the brain's fuel sources.
For years, a chemical imbalance of serotonin has been widely viewed as the culprit for depression, resulting in the widespread use of antidepressants. The study published this week in the journal…
The brain stem is the first part of the brain that develops in a mammal out of the neural crest. It is also the oldest part of the brain and controls many automatic functions such as consciousness, breathing, heart rate, digestion, and many more. Opioid receptors are specialized pain-blocking receptors. They bind a wide range of hormones ...
A depressogen is a substance that causes or can cause depression, usually as a side effect. [1] They are the functional opposites of antidepressants. [2]Examples of drugs commonly associated with depressogenic effects include ethanol, some anticonvulsants such as the barbiturates (e.g. phenobarbital), benzodiazepines (e.g. diazepam), vigabatrin, and topiramate, corticosteroids like ...
One such cause is chemical imbalances in the brain, which can lead to irrational decisions and emotional pain. [8] For example, when the brain lacks serotonin, a chemical that regulates the brain's functioning, it can lead to depression, appetite changes, aggression, and anxiety. Another cause of mental distress can be exposure to severely ...
Endogenous depression is an atypical subclass of major depressive disorder (clinical depression). It could be caused by genetic and biological factors. [ 1 ] Endogenous depression occurs due to the presence of an internal (cognitive, biological) stressor instead of an external (social, environmental) stressor. [ 2 ]
Medications for Depression: An Overview. Antidepressants are a class of medications used very commonly to treat depression. In fact, nearly 13 percent of people 12 and over in the U.S. used ...
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