Genetic evidence confirms ADHD symptoms cause poorer academic performance in kids
New research analyzing genetic data from twins and siblings suggests that ADHD symptoms directly cause a drop in student grades.
A new study provides genetic evidence that attention-deficit/hyperactivity disorder (ADHD) symptoms directly cause poorer academic performance in children. Researchers applied advanced genetic models to data from twins and siblings and found that higher ADHD symptom counts were linked to lower grades, while grades did not appear to influence ADHD symptom severity.
The study, published in Behavior Genetics, utilized data from the Adolescent Brain Cognitive Development Study and focused on 1,523 twin and sibling pairs. By using genetic tools and accounting for shared family environments and complex genetic overlap, the researchers were able to establish a clear cause-and-effect relationship between ADHD symptoms and academic performance.
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