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Julia D. Grant, PhD

Current Position
Research Associate Professor of Psychiatry

Education and Training
A.B.: Psychology, Davidson College, 1989
M.A.: Psychology, Wake Forest University, 1993
Ph.D.: Human Development and Family Studies, The Pennsylvania State University, 1997


Areas of Research Interests
Developmental behavioral genetics, with a primary focus on alcohol, cannabis, and other illicit drug use, abuse, and dependence in adolescence and adulthood. Examination of genetic and environmental contributions to substance use patterns through large-scale longitudinal twin, family, and offspring-of-twin studies. Use of quantitative genetic, molecular genetic, latent class, and regression analysis, to better understand the development of substance use problems. The role of gene-environment interplay in substance use. Transitions in substance use, and the impact of developmental transitions on substance use and problems.


Key Publications
Grant JD, Scherrer JF, Lynskey MT, Agrawal A, Duncan AE, Haber JR, Heath AC, Bucholz KK (2012 May 15). Associations of Alcohol, Nicotine, Cannabis, and Drug Use/Dependence with Educational Attainment: Evidence from Cotwin-Control Analyses. Alcohol Clin Exp Res. 36(8): 1412-1420.  Full Article ->

Sartor CE, Grant JD, Bucholz KK, Madden PA, Heath AC, Agrawal A, Whitfield JB, Statham DJ, Martin NG, Lynskey MT (2010 Mar 1). Common genetic contributions to alcohol and cannabis use and dependence symptomatology. Alcohol Clin Exp Res. 34(3): 545-54.  Full Article ->

Grant JD, Lynskey MT, Scherrer JF, Agrawal A, Heath AC, Bucholz KK (2010 Jan). A cotwin-control analysis of drug use and abuse/dependence risk associated with early-onset cannabis use. Addict Behav. 35(1): 35-41.  Full Article ->

Grant JD, Agrawal A, Bucholz KK, Madden PA, Pergadia ML, Nelson EC, Lynskey MT, Todd RD, Todorov AA, Hansell NK, Whitfield JB, Martin NG, Heath AC (2009 Oct 15). Alcohol consumption indices of genetic risk for alcohol dependence. Biol Psychiatry. 66(8): 795-800.  Full Article ->

Grant JD, Heath AC, Bucholz KK, Madden PA, Agrawal A, Statham DJ, Martin NG (2007 May). Spousal concordance for alcohol dependence: evidence for assortative mating or spousal interaction effects? Alcohol Clin Exp Res. 31(5): 717-28.  Full Article ->

Grant JD, Scherrer JF, Lynskey MT, Lyons MJ, Eisen SA, Tsuang MT, True WR, Bucholz KK (2006 Jan). Adolescent alcohol use is a risk factor for adult alcohol and drug dependence: evidence from a twin design. Psychol Med. 36(1): 109-18.  Full Article ->


Funded Research Projects
NIDA(Key Personnel):Cannabis Use, Abuse and Dependence: Exploring Phenotypes
NIAAA(Key Personnel):Molecular Epidemiology of Alcoholism 3 - EDAC Families
NIDA(Key Personnel):Gene Environment in Outcomes of Offspring of Twins with Substance Use Disorders
NIAAA(Key Personnel):Early Alcohol Use Onset: Influence of Religion-Spiritual Dimension
NIAAA(Key Personnel):Offspring of Twins: G, E and GxE Risks for Alcoholism
NIDA(Key Personnel):The Genetics of Vulnerability to Nicotine Addictions