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Official Journal of the Italian Society of Social Psychiatry
Indexed/Abstracted in: EMBASE, e-psyche, PsycINFO, Scopus
Online ISSN 1827-1731
Kandhal P. 1, Miller B. J. 2
1 Medical College of Georgia, Georgia Regents University, Augusta, GA, USA;
2 Department of Psychiatry and Health Behavior Georgia Regents University, Augusta, GA, USA
A confluence of evidence supports associations between schizophrenia and both type 1 (DM1) and type 2 (DM2) diabetes. Outside of studies of shared genetic risk factors, other early life risk factors for schizophrenia and diabetes have not been reviewed. In this paper, we review maternal and paternal factors, birth factors, genetic factors, and other factors that may underlie both disorders, with DM1 and DM2 considered separately. We identified several risk factors common to schizophrenia and both DM1 and DM2, including nulliparity, gestational diabetes, pre-eclampsia, high birth weight, season of birth, family history of diabetes (both DM1 and DM2), and HLA antigens. Furthermore, there is some evidence for inter-relationships between individual risk factors as well as gene by environment interactions. We suggest future areas for research based on existing findings.