Among the main importing countries, Belize, with a CAGR of +23.6%, recorded the highest growth rate of the value of imports, over the period under review, while purchases for the other global leaders experienced more modest paces of growth
The main efficacy-related conclusions of this review are: (a) medications demonstrated the strongest and most consistent effects on core ADHD symptoms (especially inattention), (b) heterogeneous C/BTs demonstrated inconsistent effects on ADHD symptoms, strong consistent effects on impairment and executive function skills, and modest consistent effects on internalizing symptoms and analogue note-taking performance, (c) C/BTs demonstrated consistent maintenance effects for executive function skills and impairment up to 6 months and possibly 3 years post-treatment, (d) though comparing the efficacy of two C/BTs rarely led to significant differences, which C/BT worked best for whom could be reliably predicted from patient- and provider-level moderators

While differences between the studies restricted the ability to make conclusive recommendations regarding the interventions that should be included in practice or community settings, behavioral counselling and an oral examination was a consistent intervention among the studies
A 2020 meta-analysis found that for every 500 tobacco impressions viewed in movies, the odds of adolescent smoking initiation increased by 39%