Stage 4: Penis starts to grow in width.Stage 3: The penis starts to grow in length.Stage 2: Body shape changes and muscle tissue increases.Stage 1: Development of testes and growth spurt.Although the duration and exact timings differ between boys, puberty follows a typical sequence: Once the hypothalamus triggers an increase in testosterone release, puberty is initiated. From there you begin your journey of physical development. This happens because a specific part of the brain called the hypothalamushas triggered your testes into releasing more testosterone. Prior to puberty, T concentrations are similar to that of girls, but as you reach pubertal age it begins to increase rapidly in production. How does testosterone affect your development? By thirty years old though, your T levels begin to decline by around 1% per year. Testosterone levels increase dramatically between the ages of around 11 and 18 and remain high up until your late twenties. It ensures strong bones and also reduces risk of metabolic and cardiovascular diseases. It regulates not only physical characteristics such as strength and muscle mass, but also libido and sperm production too.Īnd just when you thought it couldn’t get any more important, T is a major player in regulating your health.
It is a natural steroid that control masculinity. T is a hormone released from the Leydig cells of the testes. And it was this hormone that is responsible for guiding you into manhood. Over the 6 years or so it took you to mature, you saw big increases in the androgen hormone testosterone. īut as soon as you hit puberty you started to see some drastic changes to your body. In fact, research suggests that before the age of 11 there aren’t really any differences between them in size or muscle strength at all.
Young boys are very similar to young girls.
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