Article
Stability in symptoms of anxiety and depression as a function of genotype and environment: a longitudinal twin study from ages 3 to 63 years.
Psychological medicine - 1 Apr 2015
Nivard M G, Dolan C V, Kendler K S, Kan K J, Willemsen G, van Beijsterveldt C E M, Lindauer R J L, van Beek J H D A, Geels L M, Bartels M, Middeldorp C M, Boomsma D I
Abstract excerpt
BACKGROUND: The influence of genetic factors on major depressive disorder is lower than on other psychiatric disorders. Heritability estimates mainly derive from cross-sectional studies, and knowledge on the longitudinal aetiology of symptoms of anxiety and depression (SxAnxDep) across the lifespan is limited. We aimed to assess phenotypic, genetic and environmental stability in SxAnxDep between ages 3 and 63...
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