In 1943, J. Purdon Martin and Julia Bell described a pedigree of X-linked mental disability, without considering the macroorchidism (larger testicles).
Scott S. Hall a psychology and behavioral science professor and researcher at Stanford University's School of Medicine, specializing in Fragile X syndrome, Prader-Willi syndrome, and in research on the relationship of Fragile X syndrome to other conditions, including Autism Spectrum Disorders.
Down syndrome | Tourette syndrome | Asperger syndrome | Marfan syndrome | Down Syndrome | Turner syndrome | Down's syndrome | Asperger's syndrome | Williams syndrome | Stockholm syndrome | Severe acute respiratory syndrome | Rett syndrome | Irukandji syndrome | Chronic fatigue syndrome | Wiskott–Aldrich syndrome protein | Tourette Syndrome Association | syndrome | severe acute respiratory syndrome | Premenstrual syndrome | Not Fragile | Le syndrome de Peter Pan | Fragile (film) | Alport syndrome | Usher syndrome | The China Syndrome | Sudden Infant Death Syndrome | Stockholm Syndrome (band) | Stockholm Syndrome | Stickler syndrome | Stevens–Johnson syndrome |
Fragile X syndrome disease are implicated to be regulated by the FMRP, a RNA-binding protein.