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 person he or she is at age 24. The trajectory between those two ages involves a profound amount of change in all domains of development—biological, cognitive, psychosocial, and emotional. Personal relationships and settings also change during this period, as peers and romantic partners become more central and as the ... Adolescence is a critical period of human development spanning from ages 10 to 19, as defined by the World Health Organization. During this transformative decade, young people experience profound physical, psychological, cognitive, and social changes that bridge childhood and adulthood. Rather than a single uniform stage, adolescence unfolds through three distinct yet overlapping phases—early, middle, and late—each characterized by unique developmental milestones and challenges ... Adolescence, transitional phase of growth and development between childhood and adulthood. The World Health Organization defines an adolescent as any person aged 10 to 19. Adolescents are usually open to new ideas; they show curiosity and interest. Many habits acquired during adolescence will last a lifetime. Furthermore, with increasing age, adolescents’ personal choices and preferences gain priority over eating habits acquired in the family, and they have progressively more control over what they eat, when and where. Adolescents’ search to establish themselves as autonomous members of society is through a change in eating habits. For these reasons ...
