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Publications by L D Johnson

Explaining Recent Increases in Students' Marijuana Use: Impacts of Perceived Risks and Disapproval, 1976 Through 1996.

American Journal of Public Health

Occupational Health

English

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Impacts of Marijuana Commercialization on Adolescents’ Marijuana Beliefs, Use, and Co-Use With Other Substances

Journal of Adolescent Health

Occupational Health

English

Age of Onset of Marijuana Use Impacts Inhibitory Processing

Neuroscience Letters

English

How Does State Marijuana Policy Affect US Youth? Medical Marijuana Laws, Marijuana Use and Perceived Harmfulness: 1991-2014

English

Longitudinal Relationships Among Perceived Injunctive and Descriptive Norms and Marijuana Use

Journal of Studies on Alcohol and Drugs

English

The Risks for Late Adolescence of Early Adolescent Marijuana Use.

American Journal of Public Health

Occupational Health

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Life Goal Appraisal and Marijuana Use Among College Students

Addictive Behaviors

Clinical Psychology

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Patterns of Marijuana Use Among Public Health Students.

American Journal of Public Health

Occupational Health

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Impacts of Changing Marijuana Policies on Alcohol Use in the United States

Alcoholism: Clinical and Experimental Research

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Marijuana Use Among 10th Grade Students — Washington, 2014

MMWR. Morbidity and mortality weekly report

Health Information Management

English