Many unhealthy behaviors often begin during adolescence and represent major public health challenges. Substance abuse has a major impact on individuals, families, and communities, as its effects are cumulative, contributing to costly social, physical, and mental health problems.
Adolescent health and development are key foundations for a country's economic development and political stability.
Adolescent pregnancy, particularly unintended pregnancy, can have lasting social, economic, and health outcomes.
Background: School-based sexual and reproductive health programmes are widely accepted as an approach to reducing high-risk sexual behaviour among adolescents.