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Longitudinal Prospective Relations Between Cannabis Use And Substance-Free Activities In A Diverse Community Sample Of Emerging Adult Heavy Drinkers, Andrew T. Voss

Electronic Theses and Dissertations

National drinking and drug use trends suggest emerging adulthood (ages 18-25) is the developmental apex of harmful co-use of alcohol and drugs, with notable recent increases in cannabis use among emerging adults. Many emerging adults naturally begin to reduce harmful alcohol or drug use into their late 20s and 30s, however, a significant subgroup report a developmentally persistent pattern of frequent alcohol and cannabis use. There is evidence that limited access to alternative substance-free reinforcement (SFR) is a risk factor for chronic alcohol and drug misuse, there is a need for longitudinal research that examines changes in patterns of SFR …