Glyn Lewis

January 17, 2018

Association of Combined Patterns of Tobacco and Cannabis Use in Adolescence With Psychotic Experiences

Abstract Question: Are patterns of adolescent cigarette and cannabis use differentially associated with subsequent onset of psychotic experiences? Findings: In…

November 10, 2017

Hair Cortisol in Twins: Heritability and Genetic Overlap with Psychological Variables and Stress-System Genes

Abstract Hair cortisol concentration (HCC) is a promising measure of long-term hypothalamus-pituitary-adrenal (HPA) axis activity. Previous research has suggested an…

April 13, 2015

Associations of Cannabis and Cigarette Use with Depression and Anxiety at Age 18: Findings from the Avon Longitudinal Study of Parents and Children

Abstract Introduction: Substance use is associated with common mental health disorders, but the causal effect of specific substances is uncertain.…