New research shows that copy number variants (CNVs) are more common in ADHD patients. Certain genetic variants implicated in autism and schizophrenia resulting in missing or duplicated DNA segments along with overlaps on chromosome 16 shows that ADHD is a genetic and a shared biological basis exists between ADHD, autism, and other major psychiatric disorders.
References:
Nigel M Williams, Irina Zaharieva, Andrew Martin, Kate Langley, Kiran Mantripragada, Ragnheidur Fossdal, Hreinn Stefansson, Kari Stefansson, Pall Magnusson, Olafur O Gudmundsson, Omar Gustafsson, Peter Holmans, Michael J Owen, Michael O'Donovan, Anita Thapar. Rare chromosomal deletions and duplications in attention-deficit hyperactivity disorder: a genome-wide analysis. Lancet
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