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  2. 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.

  3. New study solves riddle of how dopamine relates to schizophrenia

    www.aol.com/study-solves-riddle-dopamine-relates...

    Dopamine acts as a chemical messenger that sends signals between neurons – nerve cells in the brain – to change their activity and behaviour. ... According to the World Health Organisation ...

  4. Biology of depression - Wikipedia

    en.wikipedia.org/wiki/Biology_of_depression

    Various sources of inflammation in depressive illness have been hypothesized and include trauma, sleep problems, diet, smoking and obesity. [148] Cytokines, by manipulating neurotransmitters, are involved in the generation of sickness behavior, which shares some overlap with the symptoms of depression.

  5. Dopamine hypothesis of schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Dopamine_hypothesis_of...

    The dopamine hypothesis of schizophrenia or the dopamine hypothesis of psychosis is a model that attributes the positive symptoms of schizophrenia to a disturbed and hyperactive dopaminergic signal transduction. The model draws evidence from the observation that a large number of antipsychotics have dopamine-receptor antagonistic effects. The ...

  6. Bipolar Disorder: 4 Types & What You Need to Know About Them

    www.aol.com/bipolar-disorder-4-types-know...

    Bipolar disorder is a serious mental health condition affecting 2.8 percent of adults in the United States. It involves episodes of mania (extreme highs) and depression (intense lows).

  7. Dopamine - Wikipedia

    en.wikipedia.org/wiki/Dopamine

    Dopamine (DA, a contraction of 3,4-dihydroxyphenethylamine) is a neuromodulatory molecule that plays several important roles in cells. It is an organic chemical of the catecholamine and phenethylamine families. Dopamine constitutes about 80% of the catecholamine content in the brain.

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