Association between co-twin sex and eating disorders in opposite sex twin pairs: Evaluations in North American, Norwegian, and Swedish samples
Lydecker JA, Pisetsky EM, Mitchell KS, Thornton LM, Kendler KS, Reichborn-Kjennerud T, Lichtenstein P, Bulik CM, Mazzeo SE. Association between co-twin sex and eating disorders in opposite sex twin pairs: Evaluations in North American, Norwegian, and Swedish samples. Journal Of Psychosomatic Research 2011, 72: 73-77. PMID: 22200526, PMCID: PMC3246617, DOI: 10.1016/j.jpsychores.2011.05.014.Peer-Reviewed Original ResearchConceptsSex hormonesPopulation-based twin sampleSex twin pairsPrenatal hormone exposurePrenatal exposureOpposite-sex twin pairsHormone exposurePrenatal sex hormonesDiagnostic criteriaSwedish sampleBulimia nervosaDisorder diagnosisHormone hypothesisDisordersTwin risksFemale twinsMonozygotic twinsSexTwin pairsDisorder symptomatologyHormoneRiskExposureTwin sampleNorwegian sample