Well I hope your prepared to hear a lot more different things. Due to the fact that anabolic steroids are illegal not many actual clinical studies are done. So your gonna get some fact and a lot of Broscience talk. And its like a lot of things, depends on YOU first, your genetics, that's what determines everything. Also how much and how long you do them. It's really too bad controlled studies aren't done, could you imagine what athletes would be like then? Good thing is you've found the World Wide Web and everything you read on there is TRUE..