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Eur Psychiatry. 2010 Jun;25(5):264-7. doi: 10.1016/j.eurpsy.2009.12.008. Epub 2010 May 4.

Genetic influences on suicide and nonfatal suicidal behavior: twin study findings.

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1
Department of Medical Epidemiology and Biostatistics, Box 281, Karolinska Institutet, SE-171 77 Stockholm, Sweden.

Abstract

It has been well established that suicidal behavior is familial. Twin studies provide a unique opportunity to distinguish genetic effects from other familial influences. Consistent with findings from previous twin studies, including case series and selected samples, data from the population-based Swedish Twin Registry clearly demonstrate the importance of genetic influences on suicide. Twin studies of suicidal ideation and suicide attempts also implicate genetic influences, even when accounting for the effects of psychopathology. Future work is needed to evaluate the possibility of age and gender differences in heritability of suicide and nonfatal suicidal behavior.

PMID:
20444580
PMCID:
PMC4537645
DOI:
10.1016/j.eurpsy.2009.12.008
[Indexed for MEDLINE]
Free PMC Article
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