Identity development in adolescence.

The paper must cover the latest findings of the following topics:
Identity development in adolescence.
Neurological changes related to emerging sexual characteristics.
Hormonal changes during this stage.
Physical changes during this stage.
Social and ethnic factors that influence the expression of gender characteristics at this stage.
A paper must have APA citations and references from 7 research articles published in peer-reviewed journals within the past 5 years.