Background ‘Inhalants’ have been associated with poorer mental health in adolescence, but little is known of associations with specific types of inhalants. Aims We aimed to investigate associations of using volatile substances, nitrous oxide and alkyl nitrates with mental health problems in adolescence. Method We conducted a cross-sectional analysis using data from 13- to 14-year-old...
Cannabis potency, defined as the concentration of Δ9-tetrahydrocannabinol (THC), has increased internationally, which could increase the risk of adverse health outcomes for cannabis users. We present, to our knowledge, the first systematic review of the association of cannabis potency with mental health and addiction (PROSPERO, CRD42021226447). We searched Embase, PsycINFO, and MEDLINE (from...