So just because some people look as though they have only 3% body fat does not automatically mean they are loaded on PEDs. It could mean they have found something that works for them and makes them extremely efficient at using the hormones produced in their own bodies. And there is even more going on to getting strong than what I mentioned here in this article. We didn’t take into account diet, supplementation , or health history. There is a lot going on biologically when it comes to cell growth than what we can see from the outside.