people are forgetting that not all young kids testoterone levels are always up.they have stunt growth or other issues,I believe at a young age if you went and got checked out by the Doc to check test levels.that is why DR.'s perscribe HGH to kids sometimes.
No. GH is only prescribed to children with severe GH deficiencies who are markedly short in stature and development. This is unrelated to their testosterone levels. It has many complications associated with it, including instability of the growth plate and the potential for a shearing injury to the hip, in particular (called "slipped capital femoral epiphysis-SCFE"). It would be extremely rare to prescribe any sort of testosterone therapy to children or adolescents.
There are growth complications from the use of AAS prior to physeal (growth plate) closure, as the breakdown product of testosterone, estrogen, is responsible for physeal closure at the termination of growth. For males, growth continues up to about age 16-18 on average, and for some, growth into the early 20s does occur. From the standpoint of achieving maximal vertical height, then, it would seem wise to avoid any AAS use until at least age 20 unless you really are satisfied with your height.
I think the reasons for delaying the use of AAS is based on a much broader philosophy, though. I think that,
for most, the decision to use them should come after one has achieved maximal gains naturally. There is no substitute for getting to know your own physique and how it responds to diet, training, cardio, etc. I think that the quality of muscle is also much better in those who achieved a natural base through good old-fashioned ass-kicking workouts and relentless dedication to the regimented lifestyle that bodybuilding and powerlifting REQUIRES. I think this really can only be achieved at around age 24-26. Otherwise, in the end, you end up amounting to basically nothing. You were just another teen gear-head loser, and the story never does have a happy ending.