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The increasing frequency of mania and bipolar disorder: causes and potential negative impacts

Sean H Yutzy1, Chad R Woofter, Christopher C Abbott

  • 1Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA.

The Journal of Nervous and Mental Disease
|May 4, 2012
PubMed

Insights

The lifetime prevalence of bipolar disorder has remained stable over the past century, despite changes in diagnostic criteria. Recent studies show a significant increase in reported bipolar disorder prevalence, prompting a review of potential explanations.

Area of Science:

  • Psychiatry
  • Epidemiology
  • Mental Health

Background:

  • The lifetime prevalence of mania and bipolar disorder has remained consistent at 0.4%–1.6% for decades.
  • Recent studies report significantly higher prevalence rates for bipolar disorders (I, II, and others), ranging from 5% to over 7%.

Purpose of the Study:

  • To review the explanations for the apparent increase in bipolar disorder prevalence.
  • To examine the potential negative impacts of these changes on the field of mental health.

Main Methods:

  • Literature review of epidemiological studies on bipolar disorder prevalence.
  • Analysis of diagnostic criteria changes and their impact on prevalence rates.
  • Review of research explaining the discrepancy in reported prevalence figures.

Main Results:

  • The frequency of mania has not changed significantly over the last century.
  • A notable increase in reported bipolar disorder prevalence has been observed in recent years.
  • Potential explanations for this rise are being investigated, alongside their implications.

Conclusions:

  • Despite consistent mania rates, reported bipolar disorder prevalence has increased.
  • Further research is needed to understand the reasons behind this discrepancy and its consequences.

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