Article
A twin study of genetic and environmental contributions to attention‐deficit/hyperactivity disorder over time
6 Jul 2023
Abstract excerpt
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is an increasingly commonly diagnosed neurodevelopmental condition. One possibility is that this reflects a genuine increase in the prevalence of ADHD due to secular environmental changes, yet this hypothesis remains untested. We therefore investigated whether the genetic and environmental variance underlying ADHD, and traits of ADHD, has changed over...
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