Largest genetic study confirms biological basis of stuttering
DNA
Vanderbilt University Medical Center Jul 28 2025 The largest genetic analysis of stuttering has demonstrated a clear genetic basis for the speech disorder, highlighting neurological pathways of risk. The study, published July 28 in the journal Nature Genetics , used data representing more than 1 million individuals who had their DNA analyzed by the company 23andMe Inc. The findings point to 57 distinct genomic loci associated with stuttering and suggest a shared genetic architecture of
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