A new study released by researchers at the University of Washington analyzed data on substance use trends from 2014 to 2019, finding that people aged 21-25 were less likely to consume alcohol, nicotine, and non-prescription opioids.
The study, published in the Journal of Adolescent Health last week, looked at “six annual waves of cross-sectional survey data,’ analyzing data from 12,694 adults.
“Contrary to concerns about spillover effects, implementation of legalized non-medical cannabis coincided with decreases in alcohol and cigarette use and pain reliever misuse,” the study abstract said.
“The weakening association of cannabis use with the use of other substances among individuals ages 21–25 requires further research but may suggest increased importance of cannabis-specific prevention and treatment efforts.”
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