Most young people are thought of as healthy but many serious diseases in adulthood have their roots in adolescence.

WHO defines adolescents as those aged 10-19 years, while young population includes those aged 15-24 years. Adolescent Health is part of the Child and Adolescent Health Programme.

Adolescents are prone to early unwanted pregnancies, septic abortions, sexual abuse, HIV, alcohol and substance use and abuse and vulnerability to risks associated with early sexual activity and child marriage, and limited access to family planning services.