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Suicide: Genetics and Heritability.

Concepcion Vaquero-Lorenzo1, Manuel A Vasquez2

  • 1Department of Biology, Autonoma University, Madrid, Spain.

Current Topics in Behavioral Neurosciences
|August 15, 2020
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Suicide is influenced by both genetic and environmental factors, with research exploring biomarkers and traits like impulsivity. Effective treatments and prevention strategies are also examined.

Keywords:
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Area of Science:

  • Behavioral science
  • Genetics
  • Psychiatry

Background:

  • The nature versus nurture debate regarding suicide has persisted for centuries.
  • Suicide is a leading cause of death, particularly among young individuals.
  • Understanding the interplay of genetic and environmental factors is crucial.

Purpose of the Study:

  • To explore diverse perspectives and theories on the causes of suicidal behavior.
  • To investigate potential biomarkers and associated traits (e.g., impulsivity, hopelessness) linked to suicide.
  • To examine current treatment and prevention strategies for suicidal behavior.

Main Methods:

  • Review of genetic twin studies and epigenetic research.
  • Analysis of studies identifying biomarkers for suicide risk.
  • Exploration of research on psychological traits associated with suicidal behavior.
  • Examination of recent therapeutic and preventative approaches.

Main Results:

  • Suicidal behavior appears to result from a complex interaction between genetic predispositions and environmental influences.
  • Biomarkers and specific psychological traits are being investigated for their role in suicide risk.
  • Current prevention and treatment methods share commonalities that may explain their efficacy.

Conclusions:

  • Suicide is a multifactorial issue influenced by both heritable and learned components.
  • Further research into biomarkers and psychological factors is essential for improved suicide prevention.
  • Integrated approaches combining genetic insights and environmental interventions show promise in reducing suicidal behavior.