First-cousin marriages and psychiatric morbidity.
In a study of first-cousin marriages among the parents of a group of randomly selected schizophrenic and affective disorder patients, there was a significant number of such marriages in the schizophrenic group.
D000328:Adult; D000341:Affective Disorders, Psychotic / Q000235:genetics*; D003241:Consanguinity; D005260:Female; D005808:Genes, Recessive; D006801:Humans; D008297:Male; D008875:Middle Aged; D012559:Schizophrenia / Q000235:genetics*