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  • 7/10/2012

Schizophrenia and Gluten


The epidemic of anxiety surrounding gluten-related issues is astounding. A new study might increase the panic even more among mothers-to-be as it reports an increased risk of schizophrenia in children born to gluten-sensitive mothers.

The study, published in the American Journal of Psychiatry, evaluated the levels of antibodies to gliadin (a component of gluten) in more than 700 newborns born between 1975 and 1985. (At birth, antibodies come directly from the mother, so newborns’ levels are actually indicative of maternal antibody levels.) The same birth cohort was evaluated between 1987 and 2003 to determine if a diagnosis of nonaffective psychosis was present. The researchers discovered that the risk of schizophrenia was significantly increased for those whose levels of anti-gliadin antibodies were above the 90th percentile.

The data are preliminary and do not claim to prove a cause-and-effect, but it provides a starting point for the study of autoimmune influences and psychoses

Schizophrenia and other psychotic illnesses have been previously associated with nutritional factors and perinatal factors. Birth order, maternal bleeding, and season of birth have all been associated with schizophrenia. As early as the 1970s, wheat gluten was identified as a pathogenic factor in schizophrenia, and celiac disease (the quintessential gluten-sensitivity) has associated neurological syndromes. Whether these syndromes are due to the immune component of gluten sensitivity or the malnutrition or vitamin deficiencies that result from gluten ingestion is not clear.

For mental illnesses as significant as psychosis, this new study provides more questions than answers. Can diet influence mental health and the development of psychosis? Is autoimmunity a component of schizophrenia? Is schizophrenia preventable with a gluten-free maternal diet? Much more research is needed to clarify what factors really do influence the development of such disorders. But, until then, this study may simply add to the gluten anxiety plaguing moms and kids.

by Gibson, PharmD




Other Links:

Types of schizophrenia

Signs and symptoms of schizophrenia


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