1. Questioning the concept of youth; 2. Minority, majority: youth, divisions of the human life course and Roman law; 3. Terminology and characteristics of youth; 4. Rites of transition; 5. Youth and ancient medicine; 6. Youth and education: the rhetor and 'university'; 7. Associations of adolescent youths; 8. Youthful behaviour; 9. Youths in public offices; 10. Occupational training; 11. Marriage; 12. Youth and Christianity: continuity or change?; Conclusion.