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  2. Feeling anxious or unhappy? Here's how to pump up your ... - AOL

    www.aol.com/lifestyle/feeling-anxious-unhappy...

    Low serotonin levels have been linked to many physical and psychological symptoms, according to Healthline. However, scientists are unsure what actually causes serotonin deficiency.

  3. No ‘clear evidence’ depression is caused by low serotonin levels

    www.aol.com/no-clear-evidence-depression-caused...

    NHS figures show that the number of people in England taking antidepressants continues to rise, with 8.3m patients receiving them in 2021/22.

  4. Acute tryptophan depletion - Wikipedia

    en.wikipedia.org/wiki/Acute_tryptophan_depletion

    Acute tryptophan depletion (ATD) is a technique used extensively to study the effect of low serotonin in the brain. [1] This experimental approach reduces the availability of tryptophan, an amino acid which serves as the precursor to serotonin.

  5. Escitalopram (Lexapro): Everything You Need to Know Before ...

    www.aol.com/escitalopram-lexapro-everything-know...

    Serotonin syndrome is a potentially life-threatening drug reaction that causes the body to have too much serotonin. It can be caused by certain drug interactions, as well as drinking alcohol while ...

  6. Biology of depression - Wikipedia

    en.wikipedia.org/wiki/Biology_of_depression

    For example, low levels of vitamin D have been associated with greater risk for depression. [151] The role of metabolic biomarkers in depression is an active research area. Recent work has explored the potential relationship between plasma sterols and depressive symptom severity.

  7. Neurotrophic hypothesis of depression - Wikipedia

    en.wikipedia.org/wiki/Neurotrophic_hypothesis_of...

    Depression is commonly attributed to a deficiency in monoamines, such as serotonin. The monoamine hypothesis of depression suggests that depression is primarily caused by a deficiency of several monoamines, namely serotonin, dopamine and norepinephrine. [2] This hypothesis is widely accepted due to its simplicity. [3]

  8. SSRIs: Everything You Need to Know Before Starting Them - AOL

    www.aol.com/ssris-everything-know-starting-them...

    Another risk of taking SSRIs is serotonin syndrome, a life-threatening condition of increased serotonin levels with mild to severe symptoms. A typical SSRI dosage alone won’t cause serotonin ...

  9. 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 ...