Is ADHD an inherited condition?

    Researchedby:
    Nick Milazzo, Brady Holmer
    Last Updated: October 13, 2024

    ADHD can run in families. Studies have found that the heritability of ADHD — the degree to which traits like ADHD can be attributed to genetic versus environmental factors — may be as high as 74%.[1] If you have a parent or sibling with ADHD, your risk is increased 2-8 times.[2]

    References

    1. ^Faraone SV, Larsson HGenetics of attention deficit hyperactivity disorder.Mol Psychiatry.(2019-04)
    2. ^Alicia K Smith, Eric Mick, Stephen V FaraoneAdvances in genetic studies of attention-deficit/hyperactivity disorderCurr Psychiatry Rep.(2009 Apr)