This question was originally pretty long but, luckily for you, I ended up clicking the back button on my browser and loosing what I had written (twice). So, I'll try and simplify the question as best I can... Lets take a person who wishes to start using HGH because they want to increase their height. It also just so happens that this person's growth plates have not yet fused. With this person's goal in mind, is it in their best interest that they incorporate an aromatase inhibitor (AI) in conjunction with their GH use? To clarify, last I checked, increased levels of estrogen were proven to lead to the advancement in the fusion of the epiphyseal plate. In that case, would using an AI such as Arimidex be beneficial in helping control estrogen levels and thus, helping prolong the closure of the growth plates in someone who is using HGH in order to achieve an increase in their height? According to the studies done within the past few years (one being on this matter specifically) which I've recently been looking at, the answer to my question is yes. Nevertheless, I would like to hear your opinion on the subject. Also, seeing as I'm not too familiar with Arimidex, could a person continue to take the AI for as long as they are on GH (in this case, probably years)?