Adolescents who drink or smoke marijuana are more likely to engage in delinquent activities than their peers who do not use substances, but it is not clear whether this association is causal or driven by other difficult-to-measure underlying factors such as an individual's discount rate. Using...

The increase in the prevalence of overweight children (ages 6-13 years) in the United States over the past two decades is likely to result in adverse public health consequences. We use data from the children of the National Longitudinal Survey of Youth 1979 cohort to investigate an additional...