Familial Risks of Tourette Syndrome and Chronic Tic Disorders: A Population-Based Cohort Study
Mataix-Cols D, Isomura K, Pérez-Vigil A, Chang Z, Rück C, Larsson KJ, Leckman JF, Serlachius E, Larsson H, Lichtenstein P. Familial Risks of Tourette Syndrome and Chronic Tic Disorders: A Population-Based Cohort Study. JAMA Psychiatry 2015, 72: 787-793. PMID: 26083307, DOI: 10.1001/jamapsychiatry.2015.0627.Peer-Reviewed Original ResearchConceptsChronic tic disorderFirst-degree relativesTic disordersTourette syndromeFamilial riskSwedish National Patient RegisterNational Patient RegisterSecond-degree relativesRelatives of probandsPopulation-based twin sampleThird-degree relativesFamily studiesCohort studyPatient RegisterFemale patientsSpecialist clinicMAIN OUTCOMESimilar riskGeneral populationPopulation cohortHeritable neuropsychiatric conditionsNeuropsychiatric conditionsSimilar environmental exposuresEnvironmental exposuresDisorders