Young adult longitudinal patterns of marijuana use among US National samples of 12th grade frequent marijuana users: a repeated-measures latent class analysis.

Yvonne M Terry-McElrathPatrick M O'MalleyLloyd D JohnstonJohn E Schulenberg

Published in: Addiction (Abingdon, England) (2019)

Nearly one in four 12th grade (modal age 18 years) frequent marijuana users in the US continues to report high frequency use to age 30; the proportion continuing high frequency use across young adulthood has increased among more recent cohorts.

Keyphrases

high frequency
transcranial magnetic stimulation
young adults
depressive symptoms
quality improvement
middle aged
early life