shared psychotic disorder also known as folie a dues is thought to occur in persons who live close together, so that delusions of the primarily ill patient are transferred to the partner. a case of shared paranoid psychotic disorder, with primary diagnosis of persecutory delusional disorder in the husband is described. the delusion and its consequent safety behaviors were so strong that led to ...

the fact that life styles and personal interests, aggregate within families suggests that shared environment in addition to shared bioligical factors could play a role in determining the phenotypic similarity of idividuals living in the same household. it is a major concern of cardiovascular epidemiologists to know how much of the familial aggregation of blood pressure is attributable to shared...