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The Differential Heritability of Regular Tobacco Use Based on Method of Administration

Published online by Cambridge University Press:  21 February 2012

J. Eric Schmitt ,
Carol A. Prescott ,
Charles O. Gardner ,
Michael C. Neale  and
Kenneth S. Kendler
J. Eric Schmitt
Affiliation:
Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Human Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America.
Carol A. Prescott
Affiliation:
Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychiatry, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychology, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America.
Charles O. Gardner
Affiliation:
Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychiatry, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America.
Michael C. Neale
Affiliation:
Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Human Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychiatry, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychology, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America.
Kenneth S. Kendler*
Affiliation:
Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Human Genetics, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America; Department of Psychiatry, Virginia Commonwealth University Medical Center, Richmond, Virginia, United States of America. [email protected]
*
*Address for correspondence: Kenneth S. Kendler, Department of Psychiatry, Medical College of Virginia at Virginia Commonwealth University, Box 980126, Richmond, VA 23298-0126, USA.

Abstract

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Several large studies have demonstrated that the liability to smoke cigarettes is strongly genetically influenced. However, the role of genetic and environmental risk factors in the use of other common forms of tobacco use has yet to be studied. Data on the regular use of cigarettes, cigars, pipes, dip (moist snuff), and chewing tobacco from 2634 male twins were analyzed with ACE structural equation models. Twin similarity for regular cigarette and dip use was largely genetic in origin. However, twin resemblance for chewing tobacco was just about equally the result of genes and shared environment, and twin similarity for use of pipes and cigars was entirely the result of shared environmental factors. Thus, the genetic influences on the liability for regular tobacco use appear to vary based on tobacco type. The causes for the use of different forms of tobacco are complex and worthy of further study.

Type
Articles
Information
Twin Research and Human Genetics , Volume 8 , Issue 1 , 01 February 2005 , pp. 60 - 62
Copyright
Copyright © Cambridge University Press 2005