Evidence & transparency
Research, sources and our own approach
We distinguish clearly between published research, external programmes and the approach developed by Let's Be Real.
Published sources
- Adolescent mental health
Global context on adolescent mental health and prevention.
World Health Organization ↗ - School-based mental health interventions
A 2025 systematic review and meta-analysis of 97 studies; 74 were included in meta-analysis.
Crockett et al., JAMA Network Open, 2025 ↗ - Anti-stigma interventions for young people
Systematic review and meta-analysis of interventions intended to reduce mental health stigma.
Song et al., Cambridge Prisms: Global Mental Health, 2023 ↗ - Mental health literacy in education
Review of mental health literacy programmes for children and adolescents.
Amado-Rodríguez et al., Children, 2022 ↗ - School-based mental health literacy
Evidence review of school-based mental health literacy interventions.
Simkiss et al., BMC Public Health, 2023 ↗ - WHO school mental health guidance
WHO and UNICEF guidance for mental health and psychosocial wellbeing in schools.
WHO, Mental health of adolescents ↗ - Age of onset of mental disorders
Published epidemiological evidence on age-of-onset distributions.
Kessler et al., Archives of General Psychiatry, 2005 (cited by WHO) ↗ - School mental health service models
Published research on school mental health provision and service models.
Chisholm et al., BMJ Open, 2016 ↗ - Mental Health First Aid International
Official source for the established external Mental Health First Aid programme.
MHFA International ↗