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What is the GEMMA Study?

GEMMA stands for Genome, Environment, Microbiome, and Metabolome in Autism.

We are a part of an international EU project investigating gastrointestinal problems like constipation, diarrhea, or tummy pains that are experienced by up to 80% of children with Autism.

We are conducting ground-breaking research that for the first time follows children from 0-36 months of age, who are siblings of children with autism.

This research may lead to earlier diagnosis than is currently possible and help us to understand why some children have autism and others do not.


Children with autism commonly experience gastrointestinal problems such as chronic constipation, persistent diarrhea, bloating, abdominal pain and discomfort, nausea, reflux, and vomiting.

GEMMA will study the relationship between autism and gastrointestinal symptoms. We aim to decrease these symptoms and increase the quality of life for children and families.





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