The document discusses adolescent health and development. It defines adolescence as the period between childhood and adulthood between 10-19 years. Adolescents face rapid physical growth and development. They have various health, psychological and social needs. Major health issues faced by adolescents in India include malnutrition, early marriage, teenage pregnancy, STIs, drug abuse, accidents and mental health problems. The document outlines various national programs and strategies to promote adolescent health like life skills training and youth friendly health services in schools and communities.