Personality, intelligence and health: The role of genetics

Michelle Luciano*, Alexander Weiss, Catharine Gale, Ian Deary

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Personality and intelligence—both partly heritable traits—are related to indices of health and disease. In this chapter we present literature showing that genes explain part of their associations. This finding is supported by both quantitative genetic (primarily twin studies) and molecular genetic (using information from genome-wide tests of common genetic polymorphisms) studies. This genetic relationship may arise from two potential mechanisms: mediated pleiotropy, whereby genes influence a trait that in turn influence another trait; or biological pleiotropy, whereby genes directly influence both traits. We discuss these potential mechanisms and describe methods which can help to test the competing explanations.
Original languageEnglish
Title of host publicationThe Routledge International Handbook of Psychosocial Epidemiology
EditorsMika Kivimaki, David Batty, Ichiro Kawachi, Andrew Steptoe
PublisherRoutledge
Pages170-187
Number of pages18
Edition1
ISBN (Electronic)9781317375135
ISBN (Print)9781138942547
DOIs
Publication statusPublished - 14 Dec 2017

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