And that's exactly why these hormones are commonly used by athletes to basically decrease the amount of swelling and inflammation that takes place as a result of some type of minor injury. Now, the third category of hormones that is released by the adrenal cortex is the antigens. And these are basically the male sex hormones. And we'll discuss these in much more detail when we'll discuss the reproduction cycle of the human organism. Now, the final thing that I'd like to briefly discuss is how our body actually controls the amount of corticosteroids released by our body. So how much of these hormones are found in our bloodstream?