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Nutr Neurosci. 2018 Apr 19:1-15. doi: 10.1080/1028415X.2018.1464819. [Epub ahead of print]

Diet: the keystone of autism spectrum disorder?

Author information

1
a Department of Applied Clinical Sciences and Biotechnology, Section of Clinical Epidemiology and Environmental Medicine , University of L'Aquila , Via Vetoio, Località Coppito, 67100 L'Aquila , Italy.
2
b Abruzzo Region Health System , Reference Regional Centre for Autism , L'Aquila , Italy.
3
c Department of Pediatrics , San Salvatore Hospital, University of L'Aquila , Località Coppito, L'Aquila 67100 , Italy.

Abstract

Children with autism are characterized by an impairment of social interaction and repetitive patterns of behaviour. Autism is a heterogeneous span of disorders with unknown aetiology. Research has grown significantly and has suggested that environmental risk factors acting during the prenatal period could influence the neurodevelopment of offspring. The literature suggests that the maternal diet during pregnancy has a fundamental role in the etiopathogenesis of autism. Indeed, a maternal diet that is high in some nutrients has been associated with an increase or reduction in the risk of develop Autism Spectrum Disorders (ASD). The diet of ASD children is also a key factor for the worsening of ASD symptoms. Children with autism have food selectivity and limited diets due to smell, taste, or other characteristics of foods. This determines eating routines and food intake patterns, with consequent deficiency or excess of some aliments. Several studies have tried to show a possible relationship between nutritional status and autism. In this review we describe, emphasizing the limits and benefits, the main current empirical studies that have examined the role of maternal diet during gestation and diet of ASD children as modifiable risk factors at the base of development or worsening of symptoms of autism.

KEYWORDS:

Autism spectrum disorder; Children diet; Diet therapy; Maternal prenatal diet; Protective factors; Risk factors

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