Do Steroids Cause Permanent Low Testosterone Levels?

  Do Steroids Cause Permanent Low Testosterone Levels?: "One major reason why steroid users usually cycle is so they can regain their natural testosterone levels. During steroid use, your testicles shut down their natural teststerone production. Your testicles shrink because they are no longer “active”. As the anabolic steroids leave your body, your body slowly revs back up it’s production again and your testicles grow back in size."