Background. Psychiatric history, familial history of suicide attempts, and certain traumatic life
events are important predictors of suicidal thoughts and behaviour. We examined the …

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 …

Objectives: Convergent evidence from a multitude of research designs (adoption, family,
genomescan, geographical, immigrant, molecular genetic, surname, and twin studies of …

Background. Previous studies that have examined genetic influences on suicidal behaviour
were confounded by genetic vulnerability for psychiatric risk factors. The present study …

Risk for suicide may have heritable contributions. Evidence supporting this hypothesis
includes strong and consistent findings from more than 20 controlled family studies …

OBJECTIVE: To examine suicide attempts in an epidemiologically and genetically
informative youth sample. METHOD: 3,416 Missouri female adolescent twins (85 …

Suicidal ideation, suicide attempt (SA) and suicide are significantly heritable phenotypes.
However, the extent to which these phenotypes share genetic architecture is unclear. This …

The goals of the study were (1) to determine the association between parental and offspring
suicidal ideation and suicide attempts among adult offspring in a general community …

There is good evidence from recent studies that depression is familial, and that a substantial
proportion of the variation in liability is explained by genes. Suicidal behavior, including …

The extant adoption, twin, and family studies of suicide and suicidal behavior are reviewed.
Suicidal behavior is highly familial, and on the basis of twin and adoption studies, heritable …