United kingdom: The Annual Report for 1988/89 of the Medical Research Council

1990 ◽  
Vol 46 (5) ◽  
pp. 431-432
Keyword(s):  
United Kingdom ◽  
Medical Research ◽  
Research Council ◽  
Annual Report ◽  
Medical Research Council

Possible Biological Advantages among Schizophrenics' Relatives

1971 ◽  
Vol 118 (545) ◽  
pp. 453-460 ◽  
Author(s):  
Michael Carter ◽  
C. A. H. Watts
Keyword(s):  
Medical Research ◽  
Research Council ◽  
Genetic Factors ◽  
Annual Report ◽  
Medical Research Council ◽  
Good Evidence ◽  
Fraternal Twin

There is good evidence that genetic factors are necessary, though by no means sufficient, for the development of schizophrenia. Several studies have compared the incidence of schizophrenia in identical and in fraternal twin pairs: these studies are discussed, for example, in the Medical Research Council Annual Report 1965–66 (pp. 54–61), where Essen-Möller's (1963) cumulative figures are quoted: Identical (MZ) pairs: 69 per cent concordant for schizophrenia (both schizophrenic) (194/280 pairs). Fraternal (DZ) pairs: 13 per cent concordant for schizophrenia (both schizophrenic) (59/448 pairs).

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