About The Study: By analyzing multiple polygenic scores together with simulated expectations, this study could disambiguate among competing hypotheses about scenarios that may be associated with increased rates of attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorder (ASD) diagnoses. Findings support broadening diagnostic criteria as an explanation for increasing rates, with implications for understanding changes in risk factors and clinical practice.
Corresponding Authors: To contact the corresponding authors, email Sonja LaBianca, MD, PhD, ( sonja.labianca@regionh.dk ) and Andrew J. Schork, PhD, ( Andrew.Joseph.Schork@regionh.dk ).
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(10.1001/jamapsychiatry.2026.1450)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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JAMA Psychiatry