About 45,900,000 results
Open links in new tab
  1. Adolescence | Definition, Characteristics, & Stages | Britannica

    Dec 13, 2025 · Adolescence is the transitional phase of growth and development between childhood and adulthood. The World Health Organization (WHO) defines an adolescent as any …

  2. Adolescent Development - Cleveland Clinic

    Adolescence is the period of transition between childhood and adulthood. Children entering adolescence are going through many changes in their bodies and brains.

  3. Adolescence | Psychology Today

    Adolescence is the transitional stage from childhood to adulthood that occurs between ages 13 and 19.

  4. Adolescent health - World Health Organization (WHO)

    Jun 30, 2025 · Adolescence is the phase of life between childhood and adulthood, from ages 10 to 19. It is a unique stage of human development and an important time for laying the …

  5. Stages of Adolescence - HealthyChildren.org

    Adolescence is the period of transition between childhood and adulthood. It includes some big changes—to the body, and to the way a young person relates to the world.

  6. Adolescent Development Explained - HHS Office of Population ...

    Although adolescence may appear to be a turbulent time, it is also a period of great potential as young people engage more deeply with the world around them. Adolescents typically grow …

  7. Adolescent Development - The Promise of Adolescence - NCBI ...

    May 16, 2019 · Adolescence is a period of significant development that begins with the onset of puberty1 and ends in the mid-20s. Consider how different a person is at the age of 12 from the …

  8. Adolescence Definition: How Psychologists Define This Major ...

    May 8, 2025 · According to the World Health Organization (WHO), adolescence is the phase of life between childhood and adulthood. During this life stage, individuals experience rapid …

  9. Adolescence | Introduction to Psychology - Lumen Learning

    Adolescence is the period of development that begins at puberty and ends at emerging adulthood, or into the mid- to late 20s. In the United States, adolescence is seen as a time to develop …

  10. Adolescent Development: Stages and Definitions - psychology.town

    Jul 7, 2024 · Adolescent development refers to the complex biological, psychological, and social changes that occur as individuals transition from childhood to adulthood, typically spanning …