Observational findings recommend universal screening for cannabis use in teens, highlighting societal and policy impacts.
Rates of teen use of cannabis increased following legalization, and continued to increase after retail sales became legal (including for teens), but then decreased after the COVID‐19 pandemic, researchers have found. This suggests that societal disruptions as well as changes in cannabis policy affect adolescent cannabis use. The researchers concluded that universal screening should exist for teen cannabis use.
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Alison Knopf (2026) studied this question.
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