What is the role of testosterone in males during puberty?

Testosterone plays a crucial role during puberty in males, particularly in terms of the physical and sexual development that occurs in this life stage. Its primary function includes the development of secondary sexual characteristics, which are vital for sexual maturation. These characteristics include increased muscle mass, the deepening of the voice, and the development of facial and body hair.

Testosterone is also significantly involved in the regulation of libido and sexual function, which directly connects it to the hormonal changes affecting sexuality during puberty. This surge in testosterone levels initiates the physical changes that mark the transition from childhood to adulthood, influencing both reproductive and sexual health.

While emotional stability, physical growth, and social relationships may be impacted by hormonal changes, they are indirectly related to testosterone's primary function. The most direct effect of testosterone during male puberty is its role in facilitating the maturation of the sexual organs and enhancing secondary sexual characteristics, hence linking to the changes in sexuality.