Watch this video about reversing Fragile X Syndrome on HowStuffWorks. An ongoing controversy in the murder-suicide case of pro wrestler Chris Benoit is whether his seven year-old son had a form of mental retardation called "Fragile X Syndrome." The disorder is poorly understood, but new research suggests there may be a way to reverse it. See how Fragile X Syndrome works in this video from ScienCentral.