Keywords: Addiction/Substance Use, Adolescents (13-19 years), Alcohol Abuse/Use, Behaviour Modification (e.g., provision of item/tool, incentives, goal setting), Drug Abuse/Use, Grade school aged (5-12 years), High Risk Group (e.g., adolescent parents, elderly, homeless, substance users), Home, Meta-analysis, Smoking Cessation/Tobacco Use, Social Support (e.g., counseling, case management, outreach programs) , Youth Health