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Article

A twin study of lifetime Generalized Anxiety Disorder (GAD) in older adults: genetic and environmental influences shared by neuroticism and GAD.

Twin research and human genetics : the official journal of the International Society for Twin Studies - 1 Feb 2006

Mackintosh Margaret-Anne, Gatz Margaret, Wetherell Julie Loebach, Pedersen Nancy L

Abstract excerpt

The nature of Generalized Anxiety Disorder (GAD) and worry across the lifespan remains incompletely understood. We investigated genetic and environmental influences on GAD and the proportion of genetic and environmental variation in GAD that is shared with neuroticism in older adult twins. Participants included 1618 monozygotic and 2291 same-sexed dizygotic twin pairs from the Swedish Twin Registry aged 55 to 74....

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PMID: 16611465
DOI: 10.1375/183242706776402902

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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