Teenagers

Teenager is the stage where the physical and mental condition of a person develops which occurs between childhood and adulthood. Teenager is connected with adolescence. It is a stage of maturation. It starts at age 13 for boys and 12 in girls. It is a time when an individual begins to function independently of their parents. Teenager is a word commonly used which is also related to teen, youth, young adult and emerging adult. Puberty is the time when a child's body starts to change to look more like and adult.

During the teenage stage, a person undergoes certain transformations. It involves physical, emotional, mental and psychological changes.

Physical changes in a young adult includes enlargement of the Adam's apple for boys and development of breasts for girls. Hormonal balance also shifts strongly towards an adult stage. Hormonal balance is initiated by the pituitary glands that is responsible for the secretion of hormones such as testosterone