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This is the finding of a study in mice led by researchers from New York University (NYU) Medical School and published online July 24 in the journal eLife.
The study centered on the intestinal microbiome, the mix of bacterial species that live in the digestive tract, and that co-evolved with humans to play roles in nutrition and immunity.
As rates of children’s exposure to antibiotics has increased in recent decades – with each child receiving nearly three courses on average in the first two years of life – the number of patients with type 1 diabetes has doubled, say the study authors.
In prior work, and using mice that have an unusually high rate of type 1 diabetes, the research team had found that exposure to multiple courses of antibiotics accelerated onset of this disease.
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