Autoimmune processes may affect tic severity in some cases: the unproven and contentious hypothesis that Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections, PANDAS, plays a role in the onset of tic disorders and OCD is a current focus of research.
Down syndrome | Tourette syndrome | Asperger syndrome | Marfan syndrome | X-Men Origins: Wolverine | 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 | Batman: Arkham Origins | Wiskott–Aldrich syndrome protein | Tourette Syndrome Association | syndrome | severe acute respiratory syndrome | Premenstrual syndrome | Origins Game Fair | Le syndrome de Peter Pan | Alport syndrome | Usher syndrome | The China Syndrome | Sudden Infant Death Syndrome | Stockholm Syndrome (band) | Stockholm Syndrome | Stickler syndrome |