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  1. Adolescence | Psychology Today

    Adolescence can be a time of both disorientation and discovery. The transitional period can raise questions of independence and identity; as adolescents cultivate their sense of self, they may...

  2. Teenager - Simple English Wikipedia, the free encyclopedia

    Constantly exposed to new ideas, social situations and people, teenagers work to develop their personalities and interests. Before their teenage years, they focused on school, play, and …

  3. Adolescence | Definition, Characteristics, & Stages | Britannica

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

  4. Information About Teens (Ages 12-19) | Parent Information | CDC

    Oct 21, 2025 · Essentials for Parenting Teens is a free online resource for parents and caregivers of youth between... Provides information on a variety of health topics for parents with teens.

  5. Adolescent Development - Youth.gov

    Adolescence is the developmental shifting into adulthood that includes rapid changes in the brain and body, often at different rates and is a time for healthy exploration of who young people …

  6. Stages of Adolescence - HealthyChildren.org

    Understanding what to expect at different stages can promote healthy development throughout adolescence and into early adulthood. During this stage, children often start to grow more quickly.

  7. The Growing Child- Teenager (13 to 18 Years)

    Sexual and other physical maturation that happens during puberty is due to hormonal changes. Here's a look at the changes for boys and girls. In boys, it's hard to know exactly when puberty …

  8. Teens - American Psychological Association (APA)

    Adolescents also increase their peer focus and involvement in peer-related activities, place greater emphasis on social acceptance, and seek more independence and autonomy from …

  9. 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. These include …

  10. The Teen Brain: Understanding Your Teenager's Development

    Mar 3, 2025 · Below, we’ll review the three main stages of a teenager’s development. Each stage can present unique challenges related to puberty and mental health but can also create …