A 2010 study out of Cardiff University (UK) discovered thatthere is a genetic element to ADHD.  The study analyzed the DNA of hundreds of children both with and without ADHD.  Researchers found that children with a specific genetic segment either duplicated or missing were twice as likely to have ADHD.  As Professor Anita Thapar stated, “Now we can say with confidence that ADHD is a genetic disease.”

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