Environmental factors selectively impact co‐occurrence of problem/pathological gambling with specific drug‐use disorders in male twins

Abstract excerpt

AIMS: Multiple forms of drug abuse/dependence frequently co-occur with problem/pathological gambling (PPG). The current study examines the extent to which genetic and environmental factors contribute to their co-occurrence. DESIGN: Bivariate models investigated the magnitude and correlation of genetic and environmental contributions to problem/pathological gambling and its co-occurrence with nicotine dependence,...