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  2. 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.

  3. Biology of depression - Wikipedia

    en.wikipedia.org/wiki/Biology_of_depression

    First, serotonin system dysfunction cannot be the sole cause of depression, because not all patients treated with antidepressants show improvement, despite the fact that most patients still show a rapid increase in synaptic serotonin. Second, if significant mood improvements do occur, this is often not for at least two to four weeks.

  4. 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.

  5. 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 The reason given is: Many outdated sources and information (older than five years).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 ...

  6. Anorgasmia - Wikipedia

    en.wikipedia.org/wiki/Anorgasmia

    A common cause of anorgasmia, in both women and men, is the use of antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs). Though reporting of anorgasmia as a side effect of SSRIs is not precise, studies have found that 17–41% of users of such medications are affected by some form of sexual dysfunction.

  7. Can Antidepressants Cause Weight Loss? - AOL

    www.aol.com/antidepressants-cause-weight-loss...

    Many antidepressants reduce depression by increasing norepinephrine and/or serotonin levels. People with depression often have low levels of these neurotransmitters, and experts think that this ...

  8. Major depressive episode - Wikipedia

    en.wikipedia.org/wiki/Major_depressive_episode

    In their lifetime, 20% to 25% of women and 7% to 12% of men will have a major depressive episode. [35] The peak period of development is between the ages of 25 and 44. [3] The onset of major depressive episodes or MDD often occurs in people in their mid-20s and less often in those over 65.

  9. Serotonin - Wikipedia

    en.wikipedia.org/wiki/Serotonin

    Serotonin (/ ˌ s ɛr ə ˈ t oʊ n ɪ n, ˌ s ɪər ə-/) [6] [7] [8] or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter.Its biological function is complex, touching on diverse functions including mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.