Home > ADHD & Gifted > First direct evidence that ADHD is a genetic disorder: Children with ADHD more likely to have missing or duplicated segments of DNA

First direct evidence that ADHD is a genetic disorder: Children with ADHD more likely to have missing or duplicated segments of DNA

In a new study, children with ADHD were more likely to have small segments of their DNA duplicated or missing than other children. (Credit: iStockphoto/Zmeel Photography)

 

ScienceDaily (Sep. 30, 2010) 

New research provides the first direct evidence that attention-deficit/hyperactivity disorder (ADHD) is a genetic condition. Scientists at Cardiff University found that children with ADHD were more likely to have small segments of their DNA duplicated or missing than other children. 

The study also found significant overlap between these segments, known as copy number variants (CNVs), and genetic variants implicated in autism and schizophrenia, proving strong evidence that ADHD is a neurodevelopmental disorder — in other words, that the brains of children with the disorder differ from those of other children. 

via First direct evidence that ADHD is a genetic disorder: Children with ADHD more likely to have missing or duplicated segments of DNA

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