A thorough understanding of adolescence in society depends on information from various perspectives, including psychology, biology, history, sociology, education, and anthropology.
Within all of these perspectives, adolescence is viewed as a transitional period between childhood and adulthood, whose cultural purpose is the preparation of children for adult roles.
The end of adolescence and the beginning of adulthood varies by country and by function.
Furthermore, even within a single nation state or culture there can be different ages at which an individual is considered (chronologically and legally) mature enough for society to entrust them with certain privileges and responsibilities.
Physical development includes: Knowledge about what changes and behaviors during adolescence are normal can go a long way in helping both teens and adults manage the transition successfully.
There are also some specific things adults can do to be supportive: Alonso, A., Rodriguez, M., Alonso, J., Carretero, G., and Martin, M. Eating Disorders: Prevalence and risk profile among secondary students.
Major pubertal and biological changes include changes to the sex organs, height, weight, and muscle mass, as well as major changes in brain structure and organization.Descriptive and regression analyses were performed in SAS-9.3.2.Among 1652 participants (response rate = 94.1%), about 44% had poor overall knowledge about CVD, 24% perceived themselves as overweight and 60% considered their general health as good.To address this dearth of information, a survey was conducted among urban adolescent school-students in Kolkata, a highly populated metro city in eastern India.During January–June, 2014, 1755 students of 9th-grade were recruited through cluster (schools) random sampling.