Influence of personality on acute smoked cannabis effects on simulated driving.

A recent study of the impact of smoked cannabis on simulated driver behavior demonstrated a reduction in mean speed after smoked cannabis. Previous research identified an association between personality and individual differences and acute drug effects. The present study examined the impact of personality on the reduction in mean speed after smoking cannabis under single- and dual-task driving conditions originally reported by Brands et al.

Conduct disorder and attention-deficit/hyperactivity disorder as risk factors for prescription opioid use.

Background: Existing studies of attention deficit/hyperactivity disorder (ADHD), conduct disorder (CD), and substance use or substance use disorders have produced mixed results, with some identifying a direct link between ADHD and general or disordered substance use and others suggesting that comorbid CD may explain this relationship. Insufficient research has addressed the issue, which is particularly relevant in the context of the opioid crisis. This study examined the association of probable ADHD and childhood CD with self-reported opioid use in a general-population sample.

Do after school programs reduce delinquency?

After school programs (ASPs) are popular and receive substantial public funding. Aside from their child-care and supervision value, ASPs often provide youth development and skill-building activities that might reduce delinquent behavior. These possibilities and the observation that arrests for juvenile crime peak between 2 p.