Changes in THC Positivity Rates in Adolescents Corresponding to Legalization of Recreational Marijuana in Illinois.
Gassé E; Brill A · 2026 · The western journal of emergency medicine
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Introduction As public access to tetrahydrocannabinol (THC) products expands under state legalization, there is concern for increased use in adolescents under 18 years of age and its subsequent effects. Adverse effects of THC use have been…
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Metadata source: Europe PMC · DOI 10.5811/westjem.62946