The book provides insight into the association between the personality traits of impulsivity, aggressiveness and self-reported drug and alcohol use. The participants to the study reported in this book were invited to respond to standardised self-report measures of alcohol and drug use, impulsivity and aggressiveness. Although they do not suggest causation, the computed outcomes from the data collected revealed that impulsiveness was significantly and positively correlated with self-reported drug and alcohol use. The association between the various measures of impulsivity and drug and alcohol...