Generally 10–19 years, though developmental changes continue until approximately 24–25 years.
The onset of puberty, which triggers rapid physical and hormonal changes. adolescent
Major causes of death and injury include road accidents, suicide, and interpersonal violence. Stages of Development Generally 10–19 years
Characterized by a shift in focus toward peer groups and romantic interests. This stage often involves increased conflict with parents as the teen seeks independence. adolescent
Focuses on stabilizing identity, completing education, and entering the workforce. It is increasingly recognized as a "prolonged" phase in contemporary societies. The Adolescent Brain Adolescent Development - The Promise of Adolescence - NCBI