Genetic studies of suicidal behavior.

Abstract excerpt

Suicidal behavior, like so much else in psychiatry, tends to cluster in families. Clinical studies show that a family history of suicide is associated with a raised risk of both attempts at suicide and completed suicide. Twin studies show that monozygotic twins have a greater concordance of suicidal behavior than dizygotic twins. Adoption studies also suggest that there may be genetic factors in suicide. Most...

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