青春期是人生中高速成长的时期,个性、道德信仰、世界观、交友模式、认知成熟、性和性别认同在这一时期得以形成并强化。在多个领域显示出了长大成人:包括承担风险、形成与父母相左的观点和使用谈判技巧等。其中一些会对健康带来风险,如滥用药物、不安全的性行为或非法活动。大脑发育可一直延续到生命中的第三个十年,青春期大脑的迅速发育是青春期诸多变化的主要原因,但也会受到环境和社会因素的影响。青少年的健康结局包括发育的完成。青少年的死亡率随着年龄增长而上升,男性明显高于女性。在美国,“意外”(特别是机动车造成的意外伤亡)死亡占第 Adolescence is a period of rapid growth in life. Individuality, moral beliefs, worldviews, friendships, cognitive maturity, sexuality and gender identity were formed and strengthened during this period. In many areas shows the growth of adults: including taking risks, forming a point of view with parents and the use of negotiation skills. Some of them pose a risk to health, such as drug abuse, unsafe sex or illicit activities. The development of the brain can last until the third decade of life. The rapid development of the adolescent brain is a major cause of many changes in adolescence, but it can also be affected by environmental and social factors. Adolescent health outcomes include the completion of development. Adolescent mortality increases with age, significantly higher in males than in females. In the United States, “accidents” (especially accidental injuries caused by motor vehicles) accounted for the first deaths