It’s long been used as a deterrent for potential steroid users. But is it true? Yes and No. Steroids can stunt growth, and steroids can create new growth. Let’s delve into each argument. Steroids can stunt growth. In the mid- to late- teen years, the epiphyseal growth plates at the ends of bones stop growing. It is at that age that most people stop growing. If a teenager is taking certain steroids, he does risk causing receptor damage in these areas. However, due to the already elevated levels of testosterone in the body until age 20 or 22, no healthy male or female should be using steroids until after these ...