Catecholamine levels and delay discounting forecast drug use among African American youths

AIMS: To test hypotheses about the contributions of the catecholamines epinephrine and norepinephrine [which serve as biological markers of life stress through sympathetic nervous system (SNS) activation], delay discounting and their interaction to the prediction of drug use among young African American adults. DESIGN: A 1-year prospective study that involved assessment of SNS activity and collection of self-report data involving delay …