When I was asked to write about testosterone and manhood, I started to think of the different ages and the influence of testosterone. Testosterone is the hormone responsible for the development of manhood after the child reaches puberty. This influx of hormones has a great psychological influence, essentially turning boys in men. Muscle mass and strength increases, the sex drive develops, the voice deepens, and the man is endowed with the capacity to reproduce.

All these varied changes are driven by the hormone testosterone. It