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Related Concept Videos

Bipolar Disorder01:30

Bipolar Disorder

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Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.
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Mania and Antimanic Drugs: Overview01:24

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Mania, a psychological condition characterized by elevated mood, increased energy, and reduced sleep need, is part of the bipolar disorder cycle. The exact cause of mania isn't entirely known, but it is thought to be a combination of genetic, environmental, and neurological factors. Bipolar disorder involves alternating manic and depressive episodes. Mood stabilizers like lithium, antipsychotics, and anticonvulsants help manage these episodes. Lithium carbonate is particularly effective as...
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Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

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Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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Psychological and Sociocultural Causes of Schizophrenia01:29

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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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Biological Causes of Schizophrenia

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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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Bulimia Nervosa01:30

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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Related Experiment Video

Updated: Feb 21, 2026

Developing a Rat Model for Bipolar Disorder
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Risk Factors for Natural Cause Mortality in Bipolar Disorder.

Faith Dickerson1, Sabahat Khan1, Andrea Origoni1

  • 1Stanley Research Program, Sheppard Pratt, Baltimore, Maryland, USA.

Bipolar Disorders
|February 20, 2026
PubMed
Summary
This summary is machine-generated.

Homelessness is a significant risk factor for premature death in individuals with bipolar disorder. Addressing homelessness, diabetes, smoking, and cognitive function can improve survival rates for this population.

Keywords:
bipolar disordercognitivedeathdiabeteshomelessnesstobacco

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Area of Science:

  • Psychiatry
  • Public Health
  • Epidemiology

Background:

  • Bipolar disorder is linked to increased premature mortality.
  • Risk factors for natural cause mortality in bipolar disorder patients remain largely unidentified.

Purpose of the Study:

  • To identify risk factors for natural cause mortality in individuals diagnosed with bipolar disorder.
  • To inform targeted interventions for improving longevity in this population.

Main Methods:

  • Prospective cohort study design involving 553 individuals with bipolar disorder.
  • In-person assessments of cognitive function, medical history, and clinical factors.
  • Natural cause mortality ascertained via the National Death Index and analyzed using Cox proportional hazards models.

Main Results:

  • A history of recent homelessness emerged as a potent predictor of natural cause mortality (HR 6.02).
  • Type 2 diabetes (HR 3.67), tobacco smoking (HR 2.99), and lower cognitive functioning (HR 0.97) were also independently associated with increased mortality risk.
  • Cancer and cardiac disorders were leading causes of natural death among participants.

Conclusions:

  • Recent homelessness is a critical risk factor for natural cause mortality in bipolar disorder.
  • Interventions should focus on homelessness prevention, smoking cessation, diabetes management, and cognitive enhancement to reduce mortality.