This book covers the following topics: 1. Different stages of adolescence and growth (puberty, physical and mental changes, etc.). 2. What is adolescence? Specific features of the period of adolescence? Problems and diseases faced in adolescence. 4. The world of youth. 5. Reproductive and family health. 6. The importance of education. 7. Health, hygiene and nutrition. 8. Redressing diseases and problems. 9. HIV and AIDS. 10. Sexually transmitted infections and diseases.